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Chemistry

Chemistry
The most volatile of the given liquids is

Liquid
Ether
Liquid He
Liquid NH3

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Chemistry
Which one of the following is used as a sowing agent in the preparation of soft drinks?

Phosphorus acid
Phosphoric acid
Salicylic acid
Boric acid

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

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

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Chemistry
Which one among the following is not a mixture?

Brass
Graphite
Glass
Steel

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Chemistry
Which of the following gases is most toxic ?

Carbon dioxide
Carbon monoxide
Sulphur dioxide
Chlorine

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Chemistry
Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ?

Nitrogen
Sodium
Neon
Hydrogen

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