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प्रश्न
Select the correct name from the choices given below for the following case.
A substance which dissolves grease & oil and is preferred as a – drain cleaner.
विकल्प
Glycerine
Sodium hydroxide
Hydrogen peroxide
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उत्तर
Sodium hydroxide
संबंधित प्रश्न
What is science?
What is alchemy?
What is the main difference between alchemy and chemistry?
How is the knowledge of chemistry important to mankind?
State the functions of the following basic glass apparatus:
Round bottom flask
State why a round bottom flask is preferred to a flat bottom flask – during the preparation of gases in the laboratory.
Select the correct name from the choices given below for the following case.
A substance which absorbs moisture and keeps the skin dry and free from rashes.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A metallic apparatus which supports the wire gauze.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A modern apparatus with an air regulator, used for heating purposes.
A philosopher’s stone is not exactly a stone.
