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

Permonosulphuric acid is known as

Question # 2

Identify the incorrect statement with respect to ozone

Question # 3

Which has soapy touch?

Question # 4

Crystalline form of sulphur stable at room temperature is

Question # 5

Tincal is a mineral of:

Question # 6

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

Question # 7

______ reacts with alkalis to give hydrogen

Question # 8

HNO2acts as an/a

Question # 9

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

Question # 10

The ore CaSO42H2O has the general name

Question # 11

Which of the following phosphorus is most reactive?

Question # 12

Which of the element is not an alkaline earth metal

Question # 13

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

Question # 14

S-block elements consist of

Question # 15

Where lime is not used

Question # 16

______ gives peroxide

Question # 17

Calcium carbide reacts with water to produce

Question # 18

Which of the following sulphates is not soluble in water

Question # 19

What is going to replace the petroleum?

Question # 20

White P when boiled with strong solution of caustic soda produces

Question # 21

Which of the following fluorides does not exists?

Question # 22

Which one of the following pentafluorides cannot be formed?

Question # 23

The chemical formula of chile salt peter is

Question # 24

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

Question # 25

In the earth crust sodium is

Question # 26

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 27

Which element forms an iron with charge 3+?

Question # 28

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

Question # 29

Which of the following has highest dipole moment?

Question # 30

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
2 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
3 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
4 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
5 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
6 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
7 The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is
A. Hypophosphorus acid
B. Orthophosphorus acid
C. Pyrophosphorus acid
D. Metaphosphorus acid
8 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5
9 Sulphuric acid has great affinity for water because
A. It hydrolyses the acid
B. It decomposes the acid
C. Acid forms hydrates with water
D. Acid decomposes water
10 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium

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