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

Oleum is

Question # 2

White phosphorus is

Question # 3

Polyanion formation is maximum in

Question # 4

Marble is chemically

Question # 5

Sodium is never found free in nature because of its

Question # 6

Hybridized in oxygen is:

Question # 7

Bond angle is minimum for

Question # 8

BiCl3on hydrolysis forms a white precipitate of

Question # 9

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

Question # 10

Sodium should be stored in

Question # 11

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

Question # 12

Electron affinity of sulphur is

Question # 13

Density of aluminium is (g cm-3):

Question # 14

The formula of lime stone is

Question # 15

The chemical formula of chile salt peter is

Question # 16

What is the formula of asbestos?

Question # 17

Which of the element is not an alkaline earth metal

Question # 18

Which element forms an iron with charge 3+?

Question # 19

The metal with highest electrical resistance at room temperature is

Question # 20

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 21

The chemical formula of magnesite is

Question # 22

P2O5is heated with water to give

Question # 23

Lime, calcium oxide, is used in agriculture for

Question # 24

Which is used to remove air bubbles form metals?

Question # 25

The silver bromide in hypo (Na2S2O3) solution is

Question # 26

Alkaline earth metals posses two electrons in their outermost

Question # 27

______ reacts with alkalis to give hydrogen

Question # 28

The acid which has a peroxy linkage is

Question # 29

LiOH ______ soluble than NaOH

Question # 30

Orthophosphoric acid is

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
2 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
3 The oxidation number of each element of group ll-A is
A. 0
B. +1
C. +2
D. -1
4 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these
5 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
6 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
7 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
8 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
9 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
10 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb

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