Pure Substances...

Which of the following processes is used tore move stone from wheat?

The machine used for carrying out the process of threshing is called

Which process is used for separation of cream from milk

Which one is used to separate a mixture of oil and water?

X is a separation technique based on the difference in weights of the solids in a solid-solid mixture. What is X?

Which method is used to separate heavier and lighter components in a mixture by wind?

Which of the following is not used in filtration?

A pure substance is made of

Which method will be used to remove tea leaves from brew?

Vinegar is a solution of acetic acid in water. What kind of mixture is vinegar?

Which method would you use to separate the components of salt solution.

What is the process by which a gas changes into a liquid?

Generally the dirt particles are separated from pulses before cooking. For this the pulse is generally washed with water. Allowed to stand for some time and then the water is removed. It is an example of which process?

Which of the following is an example of a solid-in-gas mixture?

In a mixture, constituents exhibit

To get paneer, we add lemon drops to boiling milk. We can see solid paneer particles being formed. paneer is then separated by using

If boiled milk is allowed to cool for sometime and is then poured on a piece of cloth, we find that cream (malai) is left behind on cloth. This process of separating cream from milk is

How are grain seeds removed from their stalks?

Which process is used to remove pulp from juice before drinking?

What type of a substance is steel?

Identify the element from the following.

Saturated solution is

A Identify the mixture from the following.

Which of the following does NOT belong to the group formed by the others?

Which of the following statements about a mixture is TRUE?

What kind of mixtures are aerated drinks?

The process that we use to separate grain from stalks is_______

Which of the following is commonly used to separate bran present in flour?

Salt is obtained from sea water by which process?

Which of the following separation techniques is used for separating a mixture of two or more gases?

In winnowing the components of a mixture are separated by

A compound has

Identify the compound from the following.

Winnowing is the commonly used method to separate lighter husk particles from heavier seeds of grains. When farmers use this method the heap near the platform for winnowing will be of

If muddy water taken from a pond is allowed tost and undisturbed for some time we find that the dirt particles present in muddy water get settled at the bottom of container. This process will be called

Question is based on the following flow chart which gives the techniques a student adopted to separate the constituents of a mixture.

What could the mixture be?

Question is based on the following flow chart which gives the techniques a student adopted to separate the constituents of a mixture.

What could substance R be?

Question is based on the following flow chart which gives the techniques a student adopted to separate the constituents of a mixture.

What is substance Q?

What kind of mixtures are alloys?

Which method would you use to separate soil from muddy water (i.e. soil suspended in water)