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 salt is soluble in water

Question # 2

The ore CaSO42H2O has the general name

Question # 3

Which of the following form normal oxide

Question # 4

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 5

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

Question # 6

S-block elements consist of

Question # 7

Which of the following is the hardest metal among following

Question # 8

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

Question # 9

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

Question # 10

Corrundam is ore of:

Question # 11

Which of the following has highest dipole moment?

Question # 12

Hypo is used in photography for

Question # 13

Which is an essential constituent of chlorophyll

Question # 14

Which of the following elements is most metallic?

Question # 15

The silver bromide in hypo (Na2S2O3) solution is

Question # 16

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

Question # 17

The acid used in lead storage cells is

Question # 18

Which of the following sulphates has the highest solubility in water

Question # 19

Which of the element is not alkali metal

Question # 20

All the elements of oxygen family are

Question # 21

Plaster of pares is obtained by heating

Question # 22

The formula of lime stone is

Question # 23

Which of the following fluorides does not exists?

Question # 24

Ozone is not

Question # 25

The chemical formula of Epson salt is

Question # 26

Alkaline earth metals are usually

Question # 27

The number of electron that are paired in oxygen molecule are

Question # 28

Sulphuric acid reacts with PCl5to give

Question # 29

The chemical formula of Trona is

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Sodium should be stored in
A. Air free from moisture
B. Air free form carbon dioxide
C. Under water
D. Under kerosene oil
2 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
3 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
4 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
5 Which of the following elements is most metallic?
A. P
B. As
C. Sb
D. Bi
6 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
7 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
8 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
9 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
10 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these

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