Question # 1

The empirical formula of glucose is

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CHO

CH2O

C2HO

CHO2

Scientist used ___________ method.

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Scientific

Non-scientific

Bot

Non

Halogens with metals for

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Ionic bond

Covalent bond

Dative covalent bond

Metallic bond

The 2nd and third periods are called

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short period

Normal period

Long period

Very long period

Bucky balls are ____________ allotropic forms of carbon.

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1st

2nd

3rd

4th

Which is kept constant in the Charle's law:

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Pressure

Temperature

Volume

Mass

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

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Diffusion

Effusion

A & b

Nil

The atomic number is represented by ____________

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A

Y

X

Z

H° - H° has ________________ energy.

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Lower

Higher

Medium

Nil

The core of the earth is ____________ than crust.

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LIghter

Heavier

Both

Nil

Molarity is the number of moles of solute dissolved in:

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1 kg of solution

100 g of slovent

Idm³ of solvent

I dm³ of solution

Diamonds exists in ____________ form.

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Cubic

Linear

Circular

Nil

The lowest energy level is

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K

L

M

N

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