Which of the following is not a physical change?
Question: Which of the following is not a physical change? …
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Which of the following alloys is used for making magnets?
Question: Which of the following alloys is used for making …
Which of the following is not a chemical reaction?
Question: Which of the following is not a chemical reaction? …
Cooking oil can be converted in vegetable ghee by the process:
Question: Cooking oil can be converted in vegetable ghee by …
Bleaching powder is made from:
Question: Bleaching powder is made from: (a) Sulphur dioxide and …
Washing soda is the common name of:
Question: Washing soda is the common name of: (a) Calcium …