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Chemistry

Chemistry
Solder is an alloy of

Sodium, lead
Lead, zinc
Copper, lead
Tin, lead

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Chemistry
Which is the heaviest metal among the following?

Gold
Copper
Silver
Iron

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Chemistry
The hydronium ion is

H3O+
H+
H2+
HO -

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Chemistry
Quartz is made of

Sodium Silicate
Calcium Silicate
Sodium Sulphate
Calcium Sulphate

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Chemistry
Atomic number is the number equal to

Neutrons
None of these
Protons
Electrons

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Chemistry
Which of the following is used to remove ink and rust stains on cloth?

Kerosene oil
Oxalic acid
Alcohol
Ether

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MORE MCQ ON Chemistry

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