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Chemistry

Chemistry
In an oxygen molecule, two atoms are united by

Three bonds
Two bonds
Four bonds
One bond

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Chemistry
The oil used in the froth floatation process is

pine oil
coconut oil
olive oil
kerosene oil

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Chemistry
Slag is a name given for

Molten sand
Molten iron
Molten alumina
Molten calcium silicate

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Chemistry
In drinking water supply, which of the following treatments is not involved

Sedimentation
Softening
Disinfection
Coagulation

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Chemistry
Atomic number of an atom gives the number of which of the following ?

Neutrons and protons
Protons
Neutrons
Electrons

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Chemistry
For generation of biogas, the materials commonly used are

Aquatic plants
Animal wastes
Crop residues
Forest residues

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MORE MCQ ON Chemistry

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