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Chemistry

Chemistry
The term 'brown air' is used for

Photochemical smog
Acid fumes
Industrial smog
Sulphurous smog

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Chemistry
The percentage of carbon in cost iron is :

3 to 5
0.5 to 1.5
0.01 to 0.25
6 to 8

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Chemistry
Which of the following acts as best adsorbent?

Activated Coconut Charcoal
Charcoal
Carbon black
Activated Charcoal

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Chemistry
The heat value of combustion of Gasoline is

14600 kJ/kg
12600 kJ/kg
47000 kJ/kg
39400 kJ/kg

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Chemistry
Stainless steel is usually made by alloying the steel with

Manganese and copper
Copper and chromium
Copper and nickel
Chromium and nickel

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Chemistry
The chemical name of 'Hypo' commonly used in photography is

Sodium thiosulphate
Silver iodide
Sodium nitrate
Silver nitrate

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MORE MCQ ON Chemistry

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