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Chemistry

Chemistry
An element of atomic no. 29 belongs to

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

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Chemistry
The function of skimming tank in sewage treatment is to remove

Oil and fatty substances
Gritty substances
Inorganic substances
Suspended solids

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Chemistry
Bridgmanite is

Name of a music
Earth’s most abundant minera
A bridge on the river Thames
Name of a game

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Chemistry
The main constituent of biogas is

Acetic acid
Oxygen
Methyl alcohol
Methane

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Chemistry
The high reactivity of fluorine is due to

its high electro negativity
small size of fluorine atom
strong F - F bond
availability of d-orbitals

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Chemistry
Rock salt is a mineral containing

Magnesium
Iron
Sodium
Potassium

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MORE MCQ ON Chemistry

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