ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

Which salt is used for preserving food

Question # 2

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 3

Which of the following elements is not present abundantly in earth's crust?

Question # 4

Calcium carbide reacts with water to produce

Question # 5

Sulphuric acid has great affinity for water because

Question # 6

Which of the following has highest dipole moment?

Question # 7

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 8

Which element has highest oxidation potential

Question # 9

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 10

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 11

Which of the following elements is most metallic?

Question # 12

In the earth crust sodium is

Question # 13

The most acidic of the following compounds is

Question # 14

Crystalline form of sulphur stable at room temperature is

Question # 15

Lithium reacts with air to form

Question # 16

Identify the incorrect statement with respect to ozone

Question # 17

Which of the following is formed by the action of water on sodium peroxide?

Question # 18

Gypsum is a common mineral of

Question # 19

Which will have the maximum value of heat of hydration

Question # 20

Which property is not present in Al?

Question # 21

Boric acid cannot be used:

Question # 22

Lime, calcium oxide, is used in agriculture for

Question # 23

Hypo is used in photography for

Question # 24

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 25

Which of the following oxides is peroxide?

Question # 26

Electron affinity of sulphur is

Question # 27

Hybridized in carbon is:

Question # 28

Which of the following is lighter

Question # 29

Which one of the following is not an alkali metal

Question # 30

What is the formula of asbestos?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following is acidic?
A. SO3
B. N2O
C. BeO
D. HgO
2 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
3 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
4 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
5 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
6 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
7 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
8 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
9 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
10 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these

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