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Chemistry

Chemistry
The number of waves in n x 10th Bohr's orbit are

n2
n3
n
n-2

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Chemistry
When there are two electrons in the same orbital, they have:

Same spin
Opposite spin
Same or opposite spin
No spin

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Chemistry
________ gives hardness to stainless steel.

Tin
Lead
Carbon
Zinc

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Chemistry
Which one is the simplest aromatic hydrocarbon

Picric acid
Benzene
Aspirin
Chloride

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Chemistry
Milk is a colloidal system in which:

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

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Chemistry
What is the second largest component in milk ?

Minerals
Water
Sugar
Fat

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