Salts MCQ Quiz - Objective Question with Answer for Salts - Download Free PDF

Last updated on Jun 11, 2025

Latest Salts MCQ Objective Questions

Salts Question 1:

What is the mineral name of common salt (table salt or rock salt)?

  1. Halite
  2. Hematite
  3. Limonite
  4. Siderite

Answer (Detailed Solution Below)

Option 1 : Halite

Salts Question 1 Detailed Solution

The correct answer is Halite.

Key Points

  • Halite is the mineral form of sodium chloride (NaCl), commonly known as rock salt.
  • Halite forms through the evaporation of seawater and is typically found in sedimentary rock formations.
  • It is an evaporite mineral, which means it crystallizes from evaporating brine.
  • Commercially, halite is mined for use as table salt, road salt, and in various industrial processes.
  • Halite crystals are typically cubic in structure and can range in color from clear to white, and sometimes even shades of pink or blue due to impurities.

 Additional Information

  • Hematite
    • Hematite is an iron oxide mineral with the formula Fe2O3.
    • It is one of the most abundant minerals on Earth's surface and in the shallow crust.
    • Hematite is primarily used in the production of iron and steel.
    • The mineral can appear in colors such as black to steel or silver-gray, brown to reddish-brown, or red.
  • Limonite
    • Limonite is a generic term for a mixture of hydrated iron oxide minerals.
    • It is often used as a low-grade iron ore and can be found in various geological environments.
    • Limonite is typically yellow-brown or ochre-colored.
  • Siderite
    • Siderite is a carbonate mineral composed of iron(II) carbonate (FeCO3).
    • It is a valuable iron mineral, used in the production of iron and steel.
    • Siderite is typically found in sedimentary deposits and can vary in color from yellow to brownish or gray.

Salts Question 2:

Which of the following is an example of an ionic compound?

  1. Turmeric
  2. Table salt
  3. Sugar
  4. Glucose

Answer (Detailed Solution Below)

Option 2 : Table salt

Salts Question 2 Detailed Solution

The correct answer is Table salt.

Key Points

  • Table salt, also known as sodium chloride, is a classic example of an ionic compound.
  • Ionic compounds are formed by the transfer of electrons from one atom to another, resulting in the formation of positive and negative ions.
  • In the case of table salt, sodium (Na) loses one electron to become a positively charged sodium ion (Na+).
  • Chlorine (Cl) gains this electron to become a negatively charged chloride ion (Cl-).
  • The opposite charges of the ions create a strong electrostatic force of attraction, known as an ionic bond.
  • Table salt is highly soluble in water and has a characteristic crystalline structure.
  • Common uses of table salt include seasoning food and as a preservative.

 Additional Information

  • Turmeric
    • Turmeric is a spice derived from the rhizome of the plant Curcuma longa.
    • It contains a compound called curcumin, which has anti-inflammatory and antioxidant properties.
    • Turmeric is commonly used in cooking, particularly in Indian cuisine, and in traditional medicine.
  • Sugar
    • Sugar, specifically sucrose, is a disaccharide composed of glucose and fructose.
    • Sugar is a covalent compound, not an ionic compound.
    • It is widely used as a sweetener in food and beverages.
  • Glucose
    • Glucose is a simple sugar and an important energy source in living organisms.
    • It is a monosaccharide with the molecular formula C6H12O6.
    • Glucose is also a covalent compound, not ionic.

Salts Question 3:

In a common salt/sodium chloride (NaCl), ions of which element is positively charged and negatively charged, respectively?

  1. Ions of both Na and Cl are positively charged.
  2. Ions of both Na and Cl are negatively charged.
  3. Na ions are positively charged, and Cl ions are negatively charged. 
  4. Cl ions are positively charged, and Na ions are negatively charged.

Answer (Detailed Solution Below)

Option 3 : Na ions are positively charged, and Cl ions are negatively charged. 

Salts Question 3 Detailed Solution

The correct answer is Na ions are positively charged, and Cl ions are negatively charged.

Key Points

  • NaCl, or common salt, consists of sodium (Na) ions and chloride (Cl) ions.
  • In ionic compounds like NaCl, the sodium atom loses one electron to become a positively charged Na+ ion.
  • The chlorine atom gains one electron to become a negatively charged Cl- ion.
  • The resulting electrostatic attraction between Na+ and Cl- ions forms the ionic bond that holds the compound together.
  • This process of electron transfer leads to the formation of a stable ionic structure.
  • NaCl is a crystalline solid at room temperature.
  • It is widely used in various industries and in daily life as table salt.

 Additional Information

  •  Ionic compounds
    • Ionic compounds are typically formed between metals and non-metals.
    • They have high melting and boiling points due to the strong electrostatic forces between ions.
    • Ionic compounds are generally soluble in water and other polar solvents.
    • They conduct electricity when dissolved in water or molten.

Top Salts MCQ Objective Questions

What is the mineral name of common salt (table salt or rock salt)?

  1. Halite
  2. Hematite
  3. Limonite
  4. Siderite

Answer (Detailed Solution Below)

Option 1 : Halite

Salts Question 4 Detailed Solution

Download Solution PDF

The correct answer is Halite.

Key Points

  • Halite is the mineral form of sodium chloride (NaCl), commonly known as rock salt.
  • Halite forms through the evaporation of seawater and is typically found in sedimentary rock formations.
  • It is an evaporite mineral, which means it crystallizes from evaporating brine.
  • Commercially, halite is mined for use as table salt, road salt, and in various industrial processes.
  • Halite crystals are typically cubic in structure and can range in color from clear to white, and sometimes even shades of pink or blue due to impurities.

 Additional Information

  • Hematite
    • Hematite is an iron oxide mineral with the formula Fe2O3.
    • It is one of the most abundant minerals on Earth's surface and in the shallow crust.
    • Hematite is primarily used in the production of iron and steel.
    • The mineral can appear in colors such as black to steel or silver-gray, brown to reddish-brown, or red.
  • Limonite
    • Limonite is a generic term for a mixture of hydrated iron oxide minerals.
    • It is often used as a low-grade iron ore and can be found in various geological environments.
    • Limonite is typically yellow-brown or ochre-colored.
  • Siderite
    • Siderite is a carbonate mineral composed of iron(II) carbonate (FeCO3).
    • It is a valuable iron mineral, used in the production of iron and steel.
    • Siderite is typically found in sedimentary deposits and can vary in color from yellow to brownish or gray.

Salts Question 5:

What is the mineral name of common salt (table salt or rock salt)?

  1. Halite
  2. Hematite
  3. Limonite
  4. Siderite

Answer (Detailed Solution Below)

Option 1 : Halite

Salts Question 5 Detailed Solution

The correct answer is Halite.

Key Points

  • Halite is the mineral form of sodium chloride (NaCl), commonly known as rock salt.
  • Halite forms through the evaporation of seawater and is typically found in sedimentary rock formations.
  • It is an evaporite mineral, which means it crystallizes from evaporating brine.
  • Commercially, halite is mined for use as table salt, road salt, and in various industrial processes.
  • Halite crystals are typically cubic in structure and can range in color from clear to white, and sometimes even shades of pink or blue due to impurities.

 Additional Information

  • Hematite
    • Hematite is an iron oxide mineral with the formula Fe2O3.
    • It is one of the most abundant minerals on Earth's surface and in the shallow crust.
    • Hematite is primarily used in the production of iron and steel.
    • The mineral can appear in colors such as black to steel or silver-gray, brown to reddish-brown, or red.
  • Limonite
    • Limonite is a generic term for a mixture of hydrated iron oxide minerals.
    • It is often used as a low-grade iron ore and can be found in various geological environments.
    • Limonite is typically yellow-brown or ochre-colored.
  • Siderite
    • Siderite is a carbonate mineral composed of iron(II) carbonate (FeCO3).
    • It is a valuable iron mineral, used in the production of iron and steel.
    • Siderite is typically found in sedimentary deposits and can vary in color from yellow to brownish or gray.

Salts Question 6:

Which of the following is an example of an ionic compound?

  1. Turmeric
  2. Table salt
  3. Sugar
  4. Glucose

Answer (Detailed Solution Below)

Option 2 : Table salt

Salts Question 6 Detailed Solution

The correct answer is Table salt.

Key Points

  • Table salt, also known as sodium chloride, is a classic example of an ionic compound.
  • Ionic compounds are formed by the transfer of electrons from one atom to another, resulting in the formation of positive and negative ions.
  • In the case of table salt, sodium (Na) loses one electron to become a positively charged sodium ion (Na+).
  • Chlorine (Cl) gains this electron to become a negatively charged chloride ion (Cl-).
  • The opposite charges of the ions create a strong electrostatic force of attraction, known as an ionic bond.
  • Table salt is highly soluble in water and has a characteristic crystalline structure.
  • Common uses of table salt include seasoning food and as a preservative.

 Additional Information

  • Turmeric
    • Turmeric is a spice derived from the rhizome of the plant Curcuma longa.
    • It contains a compound called curcumin, which has anti-inflammatory and antioxidant properties.
    • Turmeric is commonly used in cooking, particularly in Indian cuisine, and in traditional medicine.
  • Sugar
    • Sugar, specifically sucrose, is a disaccharide composed of glucose and fructose.
    • Sugar is a covalent compound, not an ionic compound.
    • It is widely used as a sweetener in food and beverages.
  • Glucose
    • Glucose is a simple sugar and an important energy source in living organisms.
    • It is a monosaccharide with the molecular formula C6H12O6.
    • Glucose is also a covalent compound, not ionic.

Salts Question 7:

In a common salt/sodium chloride (NaCl), ions of which element is positively charged and negatively charged, respectively?

  1. Ions of both Na and Cl are positively charged.
  2. Ions of both Na and Cl are negatively charged.
  3. Na ions are positively charged, and Cl ions are negatively charged. 
  4. Cl ions are positively charged, and Na ions are negatively charged.

Answer (Detailed Solution Below)

Option 3 : Na ions are positively charged, and Cl ions are negatively charged. 

Salts Question 7 Detailed Solution

The correct answer is Na ions are positively charged, and Cl ions are negatively charged.

Key Points

  • NaCl, or common salt, consists of sodium (Na) ions and chloride (Cl) ions.
  • In ionic compounds like NaCl, the sodium atom loses one electron to become a positively charged Na+ ion.
  • The chlorine atom gains one electron to become a negatively charged Cl- ion.
  • The resulting electrostatic attraction between Na+ and Cl- ions forms the ionic bond that holds the compound together.
  • This process of electron transfer leads to the formation of a stable ionic structure.
  • NaCl is a crystalline solid at room temperature.
  • It is widely used in various industries and in daily life as table salt.

 Additional Information

  •  Ionic compounds
    • Ionic compounds are typically formed between metals and non-metals.
    • They have high melting and boiling points due to the strong electrostatic forces between ions.
    • Ionic compounds are generally soluble in water and other polar solvents.
    • They conduct electricity when dissolved in water or molten.
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