Foundation Level - IV JEE Mock Test - 1(Chemistry)

The organic material, wood is

• An element   

• A compound

• a mixture

• a solution

Answer explanation

Which one of the following statements is not correct about solid?

• Solids have fixed shape

• Solids have fixed volume

• Solids can flow

• Solids have high densities

  CO2 can be easily liquified and even solidified because

• It has weak forces of attraction

•   It has comparatively more force of attraction than other gases

• It has more intermolecular space

• It is present in atmosphere.

Which of the following is matter ?

• 1. Thought

• 1. Cold

• 1. Hate

• 1. Chair

If the humidity in the air increase then the rate of evaporation

• Decrease 

• 2. Increase 

• 3. Remain same 

• 4. both (b) and (a) depending upon the temperature  

Which of the following has the least inter atomic spacing? 

• 1.  solid 

• 2. liquid 

• 3. gases 

• 4. plasma  

Matter is  classified as 

• 1. Metals, Non metals, Metalloid

• Pure substance, Compound, Element

• Elements, Compounds , Mixture

• Solid,Liquid ,Gas

Arrange the following in order of increasing density – air, exhaust from chimneys, honey, water, chalk, cotton, and iron. 

• 1. Cotton< Water< Chalk< Honey< Iron< Chimneys

• 1. Honey< Iron< Water< Chimneys< Chalk< Cotton

• 3. Water< Honey< Iron< Chalk< Cotton< Chimneys

• 4. Chimneys< Cotton< Water< Honey< Chalk< Iron

Example of solid in liquid

• 1. Milk in water

• 1. Sugar in water

• 1. Oxygen in water

• 1. Dust particles in air

Which of the following is the boiling point of water at sea level?

• 1. 0 °C

• 1. 273 K

• 1. 373 K

• 1. 273 °C