1.

Neha took a small lump of a type of food in a test-tube and added 10 drops of water to it. Then she added 2 drops of copper sulphate solution and 10 drops of caustic soda to it. Can you name the component of food that is being tested by her?

Answer»

Neha took a small lump of a type of food in a test-tube and added 10 drops of water to it. Then she added 2 drops of copper sulphate solution and 10 drops of caustic soda to it. Can you name the component of food that is being tested by her?




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