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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 alchemy?
Choose the correct alternative from the choices given below for the following statement:
Used is an important
State the functions of the following basic glass apparatus:
Beaker
State the function of
The clamp mounted on the rod of a retort stand
State the method used for collecting the following gas:
Oxygen – a gas slightly soluble in water.
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
State what are – ‘stain removals’. Name three important stain removers & give their prime functions.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For holding washed test tubes
A philosopher’s stone is not exactly a stone.
