Question # 1

All Acids turn blue litmus.

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Pink

White

Colourless

Red

Mixture can be separated by means of

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Nuclear method

Phyical medhod

Chemical Method

All of these

The distance between the neclei of two carbon atoms in its elemetnal from is

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150 pm

152 pm

154 pm

156 pm

Concentratin of reactants and product at equilibrium remains unchanged if

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Concentration of any reactant or product is not changed

Temperaure of the reation is not changed

Pressure or volume of the system is not changed

All of the above are observed

Formula of Ozone.

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O₂

S₈

CO₂

O₃

Limes is another name of

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Sodium hydroxide

Sodium Carbonate

Calcium Carbonate

Silicon dioxide

Which is released in anacrobic respiration.

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Stearic acid

Citric acid

Lactic acid

Amino Acid

1 gram formula of NaCl contan is grams.

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100 g

58.5 g

32 g

49 g

When we mvoe top to bottom in group, ionization energy.

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Increases

No effet

Decreases

None of these

Period nuber of ²⁷ Al ₁₃ is

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1

2

3

4

When a chemical reaction is carried out with a substancZ; a gas is produced which turns red litmus paper blue. What is the reaction?

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Reaction of an acid with a meal carbonate

Reactin of an alkali with ammonium salt

Reaction of an acid with ammonium salt

None of these

A covalent bond formed by the mutual sharing of two pairs of electrons between bonded atoms is called.

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Signle covalent bond

Double covalent bond

Triple covalent bond

Polar covalent bond

Empirical formula of hydrogen peroxide.

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HO

CO

CHO

CH

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