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A pure substance is one which:
Salt is obtained from sea water by using which of the following processes?
Two solids are separated by winnowing depending on the:
A mixture of wheat and husk can be separated by:
Mariam is a housewife. She lives in a small town. She has gone to visit her village house. Prior to her departure, she kept her utensils, crockeries, chopper, spoons, etc. under lock and key. She returned home after a few days. She saw that there was deposition of brown colour on her chopper. The cooking pots, spoons, remained the same as they were. Of the crockeries, some are made of metal and some are of non-metals.
Q. What is the name of brown coloured coating on the chopper and knife?
The sequence of steps for separating a mixture of salt, sand and camphor is:
A solution which cannot dissolve more of a given substance at a given temperature is:
Sam’s father prepared paneer from curdled milk. Which method did he use to separate paneer from curdled milk?
Study the following flowchart and find out what X, Y and Z could be.