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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
Who is known as the Father of chemistry? Why?
___________ deals with the study of matter and the changes it undergoes.
State the functions of the following basic glass apparatus:
Glass test tube
State the function of
The asbestos fixed at the center of the wire gauze.
State the function of
The clamp mounted on the rod of a retort stand
State the function of The tap at the base of a burette.
State the method used for collecting the following gas-
Ammonia – a gas highly soluble in water and lighter than air
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A glass apparatus that measures liquid by sucking the liquid at one end up to the marked level and later pouring it out.
A philosopher’s stone is not exactly a stone.
