Question

1 the substance that turns red litmus to blue are ______
2 oil ghee, belter, gives ________
3 clothes are prolected us from winter season
4 velocity distance, time between their relation ___
____​

Answer 1

Explanation:

Correct option is

B

Base

Bases turn red litmus blue and acids turn blue litmus red.

Litmus is an indicator used to determine whether a solution is acidic or basic by changing its colour.

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