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Chemistry

Chemistry
The metal chiefly used for galvanising iron is :

Cadmium
Mercury
Zinc
Tin

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Chemistry
KMnO4 can be used as

Pesticide
Fertilizer
Disinfectant
Insecticide

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Chemistry
Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants

A B C 2 1 3
A B C 3 1 2
A B C3 2 1
A B C 2 3 1

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Chemistry
Interveinal necrotic spots on leaves appear due to

O3injury
SO2injury
NO2injury
HF injury

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Chemistry
Ozone depletion in the stratosphere is mainly caused by

NO
NO2
Chlorogluorocarbons
SO2

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Chemistry
The natural resource, known as black gold is

Lead
Coal
Tin
Platinum

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MORE MCQ ON Chemistry

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