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Chemistry

Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Ethyl formate
Methane
Methyl alcohol
Acetylene

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Chemistry
The number of electrons presents in H+ is

one
zero
three
two

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Chemistry
The maximum number of covalent formed by nitrogen is

4
1
3
2

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Chemistry
Ethanol containing 5% water is known as

Power alcohol
Denatured spirit
Methylated alcohol
Rectified spirit

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Chemistry
Which among the following is a carbohydrate ?

Turpentine
Nylon
Hydrogen peroxide
Cane-sugar

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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 ?

Hydrogen
Sodium
Neon
Nitrogen

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