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 of the following is acidic?

Question # 2

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 # 3

Basicity of orthoposphoric acid is

Question # 4

The ore CaSO42H2O has the general name

Question # 5

Alkaline earth metals are usually

Question # 6

The formula of lime stone is

Question # 7

The most acidic of the following compounds is

Question # 8

Which is an essential constituent of chlorophyll

Question # 9

Which property is not present in Al?

Question # 10

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

Question # 11

Which of the following are electropositive in nature

Question # 12

Which of the following form normal oxide

Question # 13

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

Question # 14

Which of the following compounds is explosive in nature?

Question # 15

Gypsum is applied to the soil to provide calcium and

Question # 16

Hypo is used in photography for

Question # 17

Which of the following fluorides does not exists?

Question # 18

Which is litharge or massicot?

Question # 19

The alkali metals form

Question # 20

Which of the following salt is soluble in water

Question # 21

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 22

All the following decompose easily on heating to give oxygen except

Question # 23

Chemical composition of colemnite is:

Question # 24

The chemical formula of magnesite is

Question # 25

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

Question # 26

What is chrome yellow?

Question # 27

Pb has inert pair of electrons:

Question # 28

Each of the following is true of white and red phosphours except that they

Question # 29

The acid which has a peroxy linkage is

Question # 30

When SO2is passed through acidified K2Cr2O7solution

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
2 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
3 The most acidic of the following compounds is
A. P2O3
B. Sb2O3
C. B2O3
D. As2O3
4 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
5 The number of unpaired electrons in the p-subshell of oxygen atom
A. 1
B. 2
C. 3
D. 4
6 Chemical composition of colemnite is:
A. Ca2B6O11.5H2O
B. CaB4O7 .4 H2O
C. Na2B7O7. 4 H2O
D. CaNaB5O9.8H2O
7 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
8 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
9 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
10 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid

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