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

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

Question # 2

Which is litharge or massicot?

Question # 3

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 4

Which salt is used for preserving food

Question # 5

Phosphine is not obtained by the reaction when

Question # 6

What causes nitrogen to be chemically inert?

Question # 7

Crystalline form of sulphur stable at room temperature is

Question # 8

Which metal is used in the thermit process because of its activity?

Question # 9

Al is the most element in earth crust:

Question # 10

______ gives peroxide

Question # 11

Hybridized in oxygen is:

Question # 12

Sulphuric acid reacts with PCl5to give

Question # 13

Which of the following sulphates has the highest solubility in water

Question # 14

Which of the following is acidic?

Question # 15

______ is called milk of magnesia

Question # 16

Which one of the following elements occurs free in nature?

Question # 17

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 18

Which has soapy touch?

Question # 19

Which of the following has highest dipole moment?

Question # 20

Which one of the following does not belong to alkaline earth metals

Question # 21

Copper oxide is dedected by borax bead test with colour:

Question # 22

Ozone is not

Question # 23

White P when boiled with strong solution of caustic soda produces

Question # 24

The chemical formula of chile salt peter is

Question # 25

The alkali metals form

Question # 26

Which is used to remove air bubbles form metals?

Question # 27

Lithium reacts with air to form

Question # 28

BiCl3on hydrolysis forms a white precipitate of

Question # 29

Boric acid cannot be used:

Question # 30

Which of the following is a tetrabasic acid?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
2 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
3 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
4 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
5 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
6 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
7 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
8 All the elements of oxygen family are
A. Non metals
B. Metalloids
C. Radioactive
D. Polymorphic
9 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
10 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be

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