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Chemistry

Chemistry
When formaldehyde and potassium hydroxide are heated, we get

Methyl alcohol
Methane
Acetylene
Ethyl formate

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Chemistry
Which one of the following is commonly used for pulp bleaching in the paper industry?

Hydrogen peroxide
Mild sulphuric acid
Iodine and water
Glucose isomerase

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Chemistry
Which one of the following is found in kidney stones?

Sodium oxalate
Calcium oxalate
Sodium chloride
Calcium acetate

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Chemistry
When cathode rays strike a target of high atomic weight, they give rise to

Positive rays
?-rays
? and ? rays
X-rays

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Chemistry
An element of atomic no. 29 belongs to

D-block
F-block
P-block
S-block

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Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

32
2
18
8

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MORE MCQ ON Chemistry

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