MEDIUM
7th CBSE
IMPORTANT
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Bases are soapy to touch

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Important Questions on Acids, Bases and Salts

MEDIUM
7th CBSE
IMPORTANT
Bases are colourless liquids.
EASY
7th CBSE
IMPORTANT
Litmus dye is obtained from _____
EASY
7th CBSE
IMPORTANT
Blue and red litmus papers do not change colour in _____ solutions.
EASY
7th CBSE
IMPORTANT
Phenolphthalein is a _____ indicator. (synthetic/natural)
MEDIUM
7th CBSE
IMPORTANT
China rose indicator turns _____ in acidic solution.
EASY
7th CBSE
IMPORTANT
Neutralisation is _____ evolving reaction.
MEDIUM
7th CBSE
IMPORTANT
Salt solution is a _____ of electricity.(conductor/insulator)
MEDIUM
7th CBSE
IMPORTANT
The acid used in car batteries is