State Of Matter — Part 2 MCQs with Explanations

Boyle's Law is the correct answer to “Air at sea level is found to be dense. This is in accordance with”. This question is standard in competitive examination syllabi for State Of Matter.

303 is the correct answer to “30°C = Kelvin (approximately)”. This question is standard in competitive examination syllabi for State Of Matter.

Both the statements are individually true and statement II is the correct explanation of statement I is the correct answer to “Statement I Glass is not considered as a true compound. Statement II Glass does not have a definite melting point.”. This question is standard in competitive examination syllabi for State Of Matter.

cooled down when expanded is the correct answer to “The gas used in a refrigerator is”. This question is standard in competitive examination syllabi for State Of Matter.

Both A and B is the correct answer to “Glasses and plastics are”. This question is standard in competitive examination syllabi for State Of Matter.

It is a better electric conductor then graphite is the correct answer to “Which one of the following is not true for the form of carbon known as diamond”. This question is standard in competitive examination syllabi for State Of Matter.

vaporisation is the correct answer to “The process of change from liquid to gas is called . . . . . . . .”. This question is standard in competitive examination syllabi for State Of Matter.

supercooled liquids is the correct answer to “Amorphous materials are in fact considered as”. This question is standard in competitive examination syllabi for State Of Matter.

Avogadro's Law is the correct answer to “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.”. This question is standard in competitive examination syllabi for State Of Matter.

Molecular crystals is the correct answer to “At very low temperature, oxygen O 2 , freezes and forms a crystalline solid, which term best describes the solids”. This question is standard in competitive examination syllabi for State Of Matter.

absolute humidity is the correct answer to “The mass of water vapour per unit volume of air is known as”. This question is standard in competitive examination syllabi for State Of Matter.

photovoltaic cell is the correct answer to “Silica in amorphous form is used in”. This question is standard in competitive examination syllabi for State Of Matter.

The pressure depends on the height of liquid column is the correct answer to “A liquid is kept in a glass beaker. Which one of the following statement is correct regarding the pressure exerted by the liquid column at the base of the beaker”. This question is standard in competitive examination syllabi for State Of Matter.

Kinetic energy is the correct answer to “At absolute zero, which one of the following is zero for a gas”. This question is standard in competitive examination syllabi for State Of Matter.

decantation is the correct answer to “Very small insoluble particles in a liquid may be separated it by using”. This question is standard in competitive examination syllabi for State Of Matter.

lowers the boiling point of the liquid is the correct answer to “Lowering the atmospheric pressure on a liquid”. This question is standard in competitive examination syllabi for State Of Matter.

Si is the correct answer to “Quartz is extensively used as a piezo-electric material. It contains”. This question is standard in competitive examination syllabi for State Of Matter.

Gas Law is the correct answer to “An ideal gas is one which obeys”. This question is standard in competitive examination syllabi for State Of Matter.

1500°C is the correct answer to “Which one of the following could be the melting point of iron”. This question is standard in competitive examination syllabi for State Of Matter.

Both 1 and 2 is the correct answer to “Consider the following statements. 1. The rate of diffusion of liquids is higher than that of solids. 2. In the liquid state, particles move freely and have greater space between each other as compared to particles in the solid state. Which of the statement(s) given above is/are correct.”. This question is standard in competitive examination syllabi for State Of Matter.

Constant proportion is the correct answer to “Ammonia (NH 3 ) obtained from different sources always has same proportion of nitrogen and hydrogen. It proves the validity of law of”. This question is standard in competitive examination syllabi for State Of Matter.

distillation is the correct answer to “Sea water can be purified by the process of”. This question is standard in competitive examination syllabi for State Of Matter.

Option "emulsion" is the correct answer for this question under State Of Matter.

water drops in a dispersion medium of air is the correct answer to “Cloud is a colloidal dispersion of”. This question is standard in competitive examination syllabi for State Of Matter.

elevation of boiling point of water by application of pressure is the correct answer to “A pressure cooker works on the principle of”. This question is standard in competitive examination syllabi for State Of Matter.

silica is the correct answer to “Quartzis a crystalline form of”. This question is standard in competitive examination syllabi for State Of Matter.

Emerald is the correct answer to “Which one of the following gemstones contains beryllium metal”. This question is standard in competitive examination syllabi for State Of Matter.

Statement I is true, but statement II is false is the correct answer to “Statement I All compounds contain more than one element. Statement II All compounds are heterogeneous mixtures.”. This question is standard in competitive examination syllabi for State Of Matter.

critical temperature is the correct answer to “The temperature to which a gas must be cooled before it can be liquefied by compression is called”. This question is standard in competitive examination syllabi for State Of Matter.

Different solubilities of different substances in same medium is the correct answer to “Chromatography is based on which of the following”. This question is standard in competitive examination syllabi for State Of Matter.

Boyle's Law is the correct answer to “At constant temperature, the product of pressure and volume of a given amount of a gas is constant. This is”. This question is standard in competitive examination syllabi for State Of Matter.

Mercury is the correct answer to “Which one of the following elements exists in liquid state at room temperature”. This question is standard in competitive examination syllabi for State Of Matter.

enlarged is the correct answer to “A balloon filled with ethylene is pricked with a sharp point and quickly dropped in a tank of H 2 gas under identical conditions. After a while the balloon will have”. This question is standard in competitive examination syllabi for State Of Matter.

Solid carbon dioxide is the correct answer to “Which one of the following is called Dry Ice”. This question is standard in competitive examination syllabi for State Of Matter.

helium is less dense than air is the correct answer to “A balloon filled with helium rises in air because”. This question is standard in competitive examination syllabi for State Of Matter.

sublimation is the correct answer to “Iodine can be separated from a mixture of iodine and potassium chloride by”. This question is standard in competitive examination syllabi for State Of Matter.

liquid in a liquid is the correct answer to “An emulsion is a colloid of”. This question is standard in competitive examination syllabi for State Of Matter.

dye is the correct answer to “Ink is prepared from”. This question is standard in competitive examination syllabi for State Of Matter.

Law of Combining Volumes is the correct answer to “According to which one of the following laws it is indicated that when two or more gases react with one another, their volumes bear a simple ratio”. This question is standard in competitive examination syllabi for State Of Matter.

a-4, b-1, c-2, d-3 is the correct answer to “Match the term in List I with its definition in List II . List-I List-II a. Sublimation 1. The change of a gas to a solid b. Deposition 2. The chance of a gas to a liquid c. Condensation 3. The change of a liquid to a gas d. Vaporisation 4. The change of a solid to a gas”. This question is standard in competitive examination syllabi for State Of Matter.