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

The oxide of beryllium is

Question # 2

All the following decompose easily on heating to give oxygen except

Question # 3

The element which has a simple cubic lattice in solid state is

Question # 4

Sodium should be stored in

Question # 5

Which of the following equations represents the action of heat on NaHCO3

Question # 6

Heavy water is obtained by

Question # 7

Ozone is not

Question # 8

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

Question # 9

Red P can be obtained form white P by

Question # 10

Lithium reacts with air to form

Question # 11

Dipole moment of CO molecule is:

Question # 12

What is the formula of asbestos?

Question # 13

Which element form group 15 gives most basic compound with hydrogen?

Question # 14

Which element among the following belongs to Group IV-A of the periodic table?

Question # 15

Which colour is imparted by sodium

Question # 16

As a fixing agent in photography, sodium thisoulphate is used for

Question # 17

Which of the following form normal oxide

Question # 18

The chemical formula of Epson salt is

Question # 19

Sulphuric acid reacts with PCl5to give

Question # 20

Identify the incorrect statement with respect to ozone

Question # 21

The acid which has a peroxy linkage is

Question # 22

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 23

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 24

Chief ore of aluminium is:

Question # 25

Marble is chemically

Question # 26

The structure of white phosphorus is

Question # 27

Electron affinity of sulphur is

Question # 28

Which of the following are electropositive in nature

Question # 29

Which of the following is acidic?

Question # 30

On alkali and alkaline earth metals down the group, there is decreasing trend in

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
2 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
3 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging
4 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
5 Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is
6 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
7 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
8 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
9 Lithium reacts with air to form
A. Peroxide
B. Normal oxide
C. Superoxide
D. None of these
10 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2

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