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

Heavy water is obtained by

Question # 2

Which of the element is not alkali metal

Question # 3

Chemical composition of colemnite is:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Which of the following form normal oxide

Question # 8

The chemical formula of Epson salt is

Question # 9

Which of the following phosphorus is most reactive?

Question # 10

Gypsum is a common mineral of

Question # 11

Which of the following salt is used as purgative

Question # 12

Which one of the following is not an alkali metal

Question # 13

Oleum is

Question # 14

Which of the following fluorides does not exists?

Question # 15

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

Question # 16

Which of the following is lighter

Question # 17

Which carbonate of alkali metals is insoluble in water

Question # 18

Which of the following elements is most metallic?

Question # 19

Alkaline earth metals are usually

Question # 20

Which on of the following compounds does not exist?

Question # 21

Which of the following element is most reactive

Question # 22

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

Question # 23

What is the formula of asbestos?

Question # 24

Corrundam is ore of:

Question # 25

The formula of lime stone is

Question # 26

The oxide of beryllium is

Question # 27

Orthophosphoric acid is

Question # 28

Commercial common salt becomes slight damp on storing because

Question # 29

Al is the most element in earth crust:

Question # 30

The silver bromide in hypo (Na2S2O3) solution is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
2 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
3 NaHCO3is prepared by
A. Down's process
B. Solvay's process
C. Nelson's process
D. None of these
4 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
5 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
6 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
7 The chemical formula of gypsum is
A. CaSO4. 5H2O
B. CaSO4. 4H2O
C. CaSO4. 2H2O
D. None of these
8 Crystalline form of sulphur stable at room temperature is
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Prismatic sulphur
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 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur

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