Question # 1

Hydrogen has ________________ isotopes.

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1

2

3

4

the homogeneous mixture of two or more substances is ____________.

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Solution

Stronger

Suspension

None

Which one of the following halogen has lowest electronegative?

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fluorine

chlorine

bromine

iodine

The empirical formula of glucose is

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CHO

CH2O

C2HO

CHO2

In volvox asexual cell produced:

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Daughter colonies

Sperm

Egg

All

Transition temperature of sulphur is ____________

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95.6

95

95.5

96

The reaction of ionic compound is very ________________ in solution.

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Slow

Fast

Medium

Nil

Dissolution in water is due to ____________ bonding.

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Ionic

Covalent

Hydrogen

Nil

The escape of gaseous molecules one by one is called ____________.

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Diffusion

Effusion

A & b

Nil

............. are sonorous.

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Metals

Solids

Metals

Force

Bucky balls are ____________ allotropic forms of carbon.

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1st

2nd

3rd

4th

The isotopes of an element have different number of

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Electrons

Protons

Neutrons

Protons & Neutrons

Which element has highest electronegativity?

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CI

F

Br

I

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