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1. during indigestion the following shall not be used

a)milk of magnesia
c)baking soda
d)lemon juice
2.red coloured light is used in traffic signals to stop vehicles because
a) red is dangerous
b)wave length of red is high
c)wave length of red is very less
d)frequency of red is very high
milk of magnesia, eno, baking soda give rise to bases. lemon juice contains acid. Indigestion is due to acidity.. so bases should be used...
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thank you sir


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1) lemon juice

2) wavelength of red is high

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Learn grammar.
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No mark mine.
Lemonn juice bczz its acid and if we take at that tie our stomacbecomes more acidic.and wave length of red is high

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