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

What is chrome yellow?

Question # 2

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

Question # 3

Which of the following is acidic?

Question # 4

Crystalline form of sulphur stable at room temperature is

Question # 5

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

Question # 6

The chemical formula of gypsum is

Question # 7

Which of the following is not the reactions of lithium

Question # 8

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

Question # 9

Chemical composition of colemnite is:

Question # 10

The electrolytic cell used for the production of metallic sodium is known as

Question # 11

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 # 12

The structure of white phosphorus is

Question # 13

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

Question # 14

______ gives peroxide

Question # 15

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

Question # 16

Which of the following salt is soluble in water

Question # 17

Heavy water is obtained by

Question # 18

Which one of the following elements occurs free in nature?

Question # 19

Polyanion formation is maximum in

Question # 20

Phosphine is not obtained by the reaction when

Question # 21

Alkaline earth metals posses two electrons in their outermost

Question # 22

Al is the most element in earth crust:

Question # 23

Sodium forms largely

Question # 24

NaHCO3is prepared by

Question # 25

Which is used in navigational equipments?

Question # 26

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

Question # 27

The ore CaSO42H2O has the general name

Question # 28

LiOH ______ soluble than NaOH

Question # 29

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

Question # 30

Which of the following are electropositive in nature

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these
2 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
3 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
4 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
5 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
6 Which of the following fluorides does not exists?
A. NF5
B. PF5
C. AsF5
D. SbF5
7 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
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 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp
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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