Question # 1

Hydrolytic conversion of sucrose into glucose and fructose is known as

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Induction

Inversion

Insertion

Inhibition

Which one of the following has the lowest boiling point?

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B

AI

Ga

Ti

The valence orbital configuration of an element with atomic number 23 is

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3d⁵

3d³, 4s²

3d³,4s¹,4p¹

3d²,4s²,4p¹

When KCIO₃ is heated it decomposes into KCI and O₂ if some MnO₂ is added the reaction goes much faster because

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MnO₂ decomposes to give O₂

MnO₂ provides heat by reacting

Better contact is provided by MnO₂

MnO₂ acts as a catalyst

Enzymes are

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Proteins

Mineral

Oils

Fatty acids

For most of the chemical reaction the rate of reaction

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Increases as the reaction proceeds

Decreases as the reaction proceeds

May increases or decreases during the reaction

Remains constant as the reaction

Detergents are

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Synthetic products

Natural products

Both A and B

None of the above

How many kinds of space lattices are possible in a crystal?

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23

7

230

14

Dilute hydrochloric acid solution cannot be concentrated by boiling beyond

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11%

33%

44%

22%

Galena is an ore of

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Gallium

Lead

Tin

Germanium

1 mole of CH₄ contains

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6.02 x 10²³ atoms of H

4 g-atom of hydrogen

1.81 x 1023 molecules of CH₄

3.0 g of carbon

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