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Chemistry

Chemistry
Which one of the following does not contain Silver ?

Horn Silver
Ruby Silver
German Silver
Lunar Caustic

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Chemistry
The highest volume of gases in lower atmosphere is comprised of

Nitrogen
Carbon dioxide
Oxygen
Hydrogen

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Chemistry
In a period from Li to F, ionisation potential

Cannot be predicted
Increases
Remains same
Decreases

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Chemistry
Synthetic detergents are made from

Sodium stearate
Sodium salt of benzene carboxylic acid
Sodium palmitate
Sodium salt of benzene sulphonic acid

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Chemistry
If a buffer solution is diluted its pH

Will slowly increase and then it will decrease
Remains same
Is decreased
Is increased

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Radio-waves
Ultraviolet
Infrared
Visible

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