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

00:00
Question # 1

Hybridized in carbon is:

Question # 2

Which of the following are electropositive in nature

Question # 3

Which of the following elements is not present abundantly in earth's crust?

Question # 4

Which has soapy touch?

Question # 5

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

Question # 6

Which of the following compounds is explosive in nature?

Question # 7

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 # 8

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

Question # 9

Which of the following is lighter

Question # 10

The oxidation number of each element of group ll-A is

Question # 11

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

Question # 12

The number of electron that are paired in oxygen molecule are

Question # 13

Which is not the form of silica?

Question # 14

______ is called milk of magnesia

Question # 15

The structure of white phosphorus is

Question # 16

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 17

Which colour is imparted by sodium

Question # 18

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

Question # 19

The oxide of beryllium is

Question # 20

Which is litharge or massicot?

Question # 21

Down's cell is used to prepare

Question # 22

Which is used to remove air bubbles form metals?

Question # 23

What is the formula of asbestos?

Question # 24

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

Question # 25

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

Question # 26

P2O5is heated with water to give

Question # 27

The most acidic of the following compounds is

Question # 28

Which of the following fluorides does not exists?

Question # 29

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

Question # 30

Identify the incorrect statement with respect to ozone

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which has soapy touch?
A. Na2B4O7
B. H3BO3
C. Ca2B6O11
D. HBO2
2 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
3 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
4 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
5 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
6 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
7 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
8 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
9 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
10 Hybridized in carbon is:
A. sp
B. sp2
C. sp3
D. d2sp

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