State of Matter MCQ question and answer with solution | Chemistry Gk MCQs Page-7 section-1

61.
Sea water can be purified by the process of

A. distillation

B. evaporation

C. filtration

D. fractional distillation

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62.
The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of

A. strength of the intermolecular forces of attraction

B. strength of the intermolecular forces of repulsion

C. molecular mass

D. molecular size

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63.
Milk is an

A. emulsion

B. suspension

C. foam

D. gel

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64.
Cloud is a colloidal dispersion of

A. air in a dispersion medium of water

B. fog in a dispersion medium of water

C. mist in a dispersion medium of air

D. water drops in a dispersion medium of air

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65.
A pressure cooker works on the principle of

A. elevation of boiling point of water by application of pressure

B. making the food-grains softer by application of pressure

C. making the food-grains softer by application of pressure and temperature

D. keeping the food-grains inside steam for a longer time

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66.
Quartzis a crystalline form of

A. alumina

B. glass

C. silica

D. limestone

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67.
Which one of the following statements is not correct?

A. All carbons in diamond are linked by carbon-carbon single bond

B. Graphite is layered structure in which layers are held together by weak Vander Waal's forces

C. Graphite layers are formed by hexagonal rings of carbon atoms

D. Graphite layers are held together by carbon-carbon single bond

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68.
Which one of the following gemstones contains beryllium metal?

A. Topaz

B. Emerald

C. Ruby

D. Blue sapphire

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69.
Statement I All compounds contain more than one element.
Statement II All compounds are heterogeneous mixtures.

A. Both the statements are individually true and statement II is the correct explanation of statement I

B. Both the statements are individually true but statement II is not the correct explanation of statement I

C. Statement I is true, but statement II is false

D. Statement I is false, but statement II is true

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70.
The temperature to which a gas must be cooled before it can be liquefied by compression is called

A. Boyle's temperature

B. critical temperature

C. liquefaction temperature

D. inversion temperature

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State of Matter MCQ question and answer with solution | Chemistry Gk MCQs

61. Sea water can be purified by the process of

Answer & Solution

62. The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of

Answer & Solution

63. Milk is an

Answer & Solution

64. Cloud is a colloidal dispersion of

Answer & Solution

65. A pressure cooker works on the principle of

Answer & Solution

66. Quartzis a crystalline form of

Answer & Solution

67. Which one of the following statements is not correct?

Answer & Solution

68. Which one of the following gemstones contains beryllium metal?

Answer & Solution

69. Statement I All compounds contain more than one element. Statement II All compounds are heterogeneous mixtures.

Answer & Solution

70. The temperature to which a gas must be cooled before it can be liquefied by compression is called

Answer & Solution

61.
Sea water can be purified by the process of

62.
The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of

63.
Milk is an

64.
Cloud is a colloidal dispersion of

65.
A pressure cooker works on the principle of

66.
Quartzis a crystalline form of

67.
Which one of the following statements is not correct?

68.
Which one of the following gemstones contains beryllium metal?

69.
Statement I All compounds contain more than one element.
Statement II All compounds are heterogeneous mixtures.

70.
The temperature to which a gas must be cooled before it can be liquefied by compression is called