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

Permonosulphuric acid is known as

Question # 2

Oleum is

Question # 3

Down's cell is used to prepare

Question # 4

The chemical formula of chile salt peter is

Question # 5

Which of the following phosphorus is most reactive?

Question # 6

Basicity of orthoposphoric acid is

Question # 7

Which one of the following properties is not correct for ozone?

Question # 8

Alkali metals react violently with halogens to form

Question # 9

Sulphuric acid reacts with PCl5to give

Question # 10

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 11

The chemical formula of Trona is

Question # 12

Borax is a common mineral of alkali metal sodium. Its formula is

Question # 13

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

Question # 14

______ reacts with alkalis to give hydrogen

Question # 15

Density of aluminium is (g cm-3):

Question # 16

The chemical formula of gypsum is

Question # 17

Chief ore of aluminium is:

Question # 18

Bond angle is minimum for

Question # 19

White P when boiled with strong solution of caustic soda produces

Question # 20

Boric acid cannot be used:

Question # 21

The maximum number of electrons in the outermost shall of s-black elements is

Question # 22

Plaster of pares is obtained by heating

Question # 23

Which element among the following belongs to Group IV-A of the periodic table?

Question # 24

Sodium hexametaphophate is known as

Question # 25

Ozone is not

Question # 26

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 27

Alkaline earth metals posses two electrons in their outermost

Question # 28

Which is an essential constituent of chlorophyll

Question # 29

The alkali metals form

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
2 When sulphur is boiled with Na2SO3solution, the compound formed is
A. Sodium sulphides
B. Sodiums sulphates
C. Sodium persulphate
D. Sodium thiosulphate
3 Which of the following sulphates has the highest solubility in water
A. BaSO4
B. CaSO4
C. MgSO4
D. BeSO4
4 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
5 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
6 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
7 The silver bromide in hypo (Na2S2O3) solution is
A. Soluble
B. Not soluble
C. Precipitated
D. Not effect
8 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
9 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
10 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

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