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Chemistry

Chemistry
Zinc sulphide is commonly used as

Fungicide
Rodenticide
Deodorant
Herbicide

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Chemistry
The chemical name of ‘Common salt’ is

Sodium chloride
Sodium nitrate
Ammonium chloride
Calcium chloride

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Chemistry
Sodium Carbonate is commonly known as

Baking Soda
Caustic Soda
Washing Soda
Caustic Potash

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Chemistry
Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

10 and 20 km
5 and 10 km
20 and 50 km
50 and 100 km

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Chemistry
Which of the following alloy is used in making magnet ?

Magnalium
Alnico
Duralumin
Stainless steel

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Chemistry
Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission?

China, India, European Union, USA
European Union, China, USA, India
USA, India, China, European Union
China, USA, European Union, India

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