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 sulphates has the highest solubility in water

Question # 2

Which of all following compound is not possible

Question # 3

Which of the following oxides is peroxide?

Question # 4

The oxide of beryllium is

Question # 5

Where lime is not used

Question # 6

Which of the element is not alkali metal

Question # 7

Which of the following has highest dipole moment?

Question # 8

LiOH ______ soluble than NaOH

Question # 9

Which of the following salt is used as purgative

Question # 10

Lime, calcium oxide, is used in agriculture for

Question # 11

Which is litharge or massicot?

Question # 12

The metal with highest electrical resistance at room temperature is

Question # 13

______ is used in breathing equipments for mountaineers and in space craft

Question # 14

Baking powder has which one of the following formula

Question # 15

Crystalline form of sulphur stable at room temperature is

Question # 16

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

Question # 17

Boric acid cannot be used:

Question # 18

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

Question # 19

Oleum is

Question # 20

Hybridized in oxygen is:

Question # 21

Sulphuric acid reacts with PCl5to give

Question # 22

Which salt is used for the treatment of hyperacidity in stomach

Question # 23

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

Question # 24

______ gives peroxide

Question # 25

Which of the following phosphorus is most reactive?

Question # 26

______ is called milk of magnesia

Question # 27

The element caesium bears resemblance with

Question # 28

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 29

Which of the following is not the reactions of lithium

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
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 White P when boiled with strong solution of caustic soda produces
A. Phosphine
B. Posh acid
C. Phosphorous acid
D. None
4 The acid which has a peroxy linkage is
A. Sulphurous acid
B. Pyrosulphuric acid
C. Dithionic acid
D. Caro's acid
5 Density of aluminium is (g cm-3):
A. B
B. Al
C. Si
D. Ge
6 Which carbonate of alkali metals is insoluble in water
A. Na2CO3
B. K2CO3
C. Li2CO3
D. Cs2CO3
7 Which of the following form normal oxide
A. K
B. Li
C. Na
D. None
8 Each of the following is true of white and red phosphours except that they
A. Are both soluble in CS2
B. Can be oxidized by heating in air
C. Consist of the same kind of atoms
D. Can be converted into one another
9 The alkali metals form
A. Ionic bond
B. Covalent bond
C. Co-ordinate bond
D. H-bond
10 Plaster of pares is obtained by heating
A. Gypsum
B. Epsom
C. Lime stone
D. Dolomite

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