Question # 1

Ethyne is oxidized by alkaline KMnO₄ then ....... hydroxyl group add to the triple bond.

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Two

Three

Four

Five

Sum of PH and POH of a solution is:

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7

14

16

18

The reactions in which products can recombine to form reactants is called.

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Irreversible reactions

Reversible reactions

Direct reactions

Indirect reactions

Marsh gas is mostly :

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ethane

methane

butane

propane

Which one is the simplest sugar which can not be hydrolyzed?

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Glucose

Sucrose

Starch

Cellulose

Deficiency of Vitamin E causes.

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rickets

Scurvy

Anemia in babies

Night blindness.

One of the hydrocarbons reacts with one mole of hydrogen to form a saturated hydrocarbon. What is the formula could be of the x:

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C₃H₈

C₆H₁₂

C₄H₁₀

C₂H₁₆

Which salt cause permanent hardness in water is:

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Ca(HCO₃)₂

Mg(HCO₃)₂

CaCl₂

KCl

Monosaccharides are crystalline solids

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Grey

Crimson

Silver

White

Potassium ferrocyanide salt is.

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Normal

complex

Basic

Acidic

Which salt is used as a table salt?

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NaCl

Na₂CO₃

Na₂SiO₃

NaCl

Which acid is used for etching designs on copper plates?

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H₂SO₄

HNO₃

HCl

CH₃COOH

When glucose and fructose combine they produce

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Starch

Cellulose

Sucrose

None of these

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