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Chemistry

Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Argon
Krypton
Helium
Radon

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Chemistry
Milk is a colloidal system in which:

Fat is dispersed in water
Water is dispersed in fat
Fat is dissolved
Fat and water are dispersed in each other

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Chemistry
If the sewage is fully oxidized, the nitrogen is in the form of

Nitramines
Nitrates
Ammonia
Nitrites

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O-22
O-2
O+2
O2

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Chemistry
Which of the following caused radioactive pollution along the coast of Kerala ?

Thorium
Zinc
Radium
Plutonium

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Chemistry
Which one of the following minerals is found in Monazite sand ?

Thorium
Sodium
Potassium
Uranium

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