Question # 1

The boiling point of water is

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O ^oC

100 ^oC

35 ^oC

25 ^oC

How many number of moles are equivalent to 8 gram of CO2.

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0.18

0.15

0.24

0.21

In a neutralization reaction between KOH and H3PO4how many molecules of KOH will react with one molecule of H3PO4

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1

2

3

4

When system is at quilibrium state.

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The rate of the forward and reverse rections become equal

The concentrationof reatants and product becoes equal

The oposing reactions stop

The rate of the reverse reactio becomes very low

Second and third periods are called

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1st transition series

Normal periods

2nd transiion series

3rd transiliton serios

The ability of an atom to attract the shared pair of electons towards itself in a molecule is called

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Ionization energy

Electronietativity

Shielding effect

Electron affinity

40 g of H₃PO₄ contains numebr of moles

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0.58 g

4.8 g

5.8 g

0.408 g

The batteries in our vehicles are bilt on the principl of electronchemistry It is the application.

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Astrochemistry

Physical chemistry

Analyticla chemistry

Organic chemistry

Which is the softtest metal.

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Zn

Ca

Na

Al

Which is not produced in an aerobic respiration.

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Carbon dioxide

Lactic acid

Water

Energy

The electronegativity of carbon is

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2.5

2.0

1.0

4.0

The new substance formed in a chemcial reaction is.

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Reverse

Reactant

Forward

Product

Which types of attractive forces are presentin ionic compounds.

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Covalent bonds

Electrostatic forces of attraction

Mtallic bonds

Coordinate covalent bonds

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