State of Matter MCQ question and answer with solution | Chemistry Gk MCQs Page-5 section-1

41.
Statement I Glass is not considered as a true compound.
Statement II Glass does not have a definite melting point.

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

Answer & Solution Discuss in Board Save for Later

42.
The gas used in a refrigerator is

A. cooled down on flowing

B. heated up on flowing

C. cooled down when compressed

D. cooled down when expanded

Answer & Solution Discuss in Board Save for Later

43.
Glasses and plastics are

A. Amorphous solids

B. Supercooled liquids

C. Both A and B

D. None of the above

Answer & Solution Discuss in Board Save for Later

44.
Which one of the following is not true for the form of carbon known as diamond?

A. It is harder than graphite

B. It contains the same percentage of carbon as graphite

C. It is a better electric conductor then graphite

D. It has different carbon to carbon distance in all directions

Answer & Solution Discuss in Board Save for Later

45.
The process of change from liquid to gas is called . . . . . . . .

A. precipitation

B. vaporisation

C. decantation

D. condensation

Answer & Solution Discuss in Board Save for Later

46.
Amorphous materials are in fact considered as

A. supercooled liquids

B. supercooled solids

C. covalent network

D. molecular crystals

Answer & Solution Discuss in Board Save for Later

47.
Name the law in Physics which states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules.

A. Avogadro's Law

B. Boyles's Law

C. Ohm's Law

D. Charles's Law

Answer & Solution Discuss in Board Save for Later

48.
At very low temperature, oxygen O₂, freezes and forms a crystalline solid, which term best describes the solids?

A. Covalent network

B. Molecular crystals

C. Metallic

D. Ionic

Answer & Solution Discuss in Board Save for Later

49.
The mass of water vapour per unit volume of air is known as

A. relative humidity

B. specific humidity

C. absolute humidity

D. variable humidity

Answer & Solution Discuss in Board Save for Later

50.
Silica in amorphous form is used in

A. photovoltaic cell

B. conductivity cell

C. standard hydrogen electrode

D. None of the above

Answer & Solution Discuss in Board Save for Later

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

41. Statement I Glass is not considered as a true compound. Statement II Glass does not have a definite melting point.

Answer & Solution

42. The gas used in a refrigerator is

Answer & Solution

43. Glasses and plastics are

Answer & Solution

44. Which one of the following is not true for the form of carbon known as diamond?

Answer & Solution

45. The process of change from liquid to gas is called . . . . . . . .

Answer & Solution

46. Amorphous materials are in fact considered as

Answer & Solution

47. Name the law in Physics which states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules.

Answer & Solution

48. At very low temperature, oxygen O2, freezes and forms a crystalline solid, which term best describes the solids?

Answer & Solution

49. The mass of water vapour per unit volume of air is known as

Answer & Solution

50. Silica in amorphous form is used in

Answer & Solution

41.
Statement I Glass is not considered as a true compound.
Statement II Glass does not have a definite melting point.

42.
The gas used in a refrigerator is

43.
Glasses and plastics are

44.
Which one of the following is not true for the form of carbon known as diamond?

45.
The process of change from liquid to gas is called . . . . . . . .

46.
Amorphous materials are in fact considered as

47.
Name the law in Physics which states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules.

48.
At very low temperature, oxygen O₂, freezes and forms a crystalline solid, which term best describes the solids?

49.
The mass of water vapour per unit volume of air is known as

50.
Silica in amorphous form is used in