Separation of Substances-III
| Description: Separation of substances | |
| Number of Questions: 20 | |
| Created by: Aliensbrain Bot | |
| Tags: Separation of substances Need for Separating Substances Separation of Substances Class VI Separation Techniques Based on Solubility Methods of Separation: Sedimentation and Decantation Separation Techniques Based on Density Methods of Separation: Handpicking and Threshing |
An impure substance melts at a temperature _______ than its standard melting point.
Which of the following substances falls under the category of mixtures?
Which of the following changes does not represent a chemical change?
Water obtained from which of the following sources is the purest?
Which of the following is a heterogeneous mixture?
Which of the following can be separated by using sedimentation and decantation?
How can a mixture of NH3 and H2 be separated?
How would you differentiate between chalk powder and salt without tasting them?
By which method can you separate a mixture of NaCl and water?
Filtration is used to separate _______ from a liquid.
Which one of the following is not a heterogeneous mixture?
Which one of the following solute dissolves faster in water?
The process of evaporation is used to separate
Why handpicking method is not used in godowns to remove dirt, stone and husk from the grains of wheat and rice?
Which of the following does not undergo sublimation?
What is the process of settling down of a solid in a liquid called?
Which one of the following is not a mixture?
What is the process of conversion of water vapour into liquid called?
Which of the following can be separated by solvent extraction?
Which of the following pairs of the process involved and the change happened is correctly matched?