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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

What causes nitrogen to be chemically inert?

Question # 2

Which of the following oxides is peroxide?

Question # 3

Electron affinity of sulphur is

Question # 4

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

Question # 5

Marble is chemically

Question # 6

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

Question # 7

Which of the following salt is used as purgative

Question # 8

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 9

Which element has highest oxidation potential

Question # 10

Oleum is

Question # 11

Which element forms an iron with charge 3+?

Question # 12

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

Question # 13

Which of the following sulphates is not soluble in water

Question # 14

Calcium carbide reacts with water to produce

Question # 15

The element caesium bears resemblance with

Question # 16

Which of the element is not alkali metal

Question # 17

The metal with highest electrical resistance at room temperature is

Question # 18

Solvay process is used in the manufacture of

Question # 19

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

Question # 20

Plaster of pares is obtained by heating

Question # 21

A compound used as eye wash:

Question # 22

When SO2is passed through acidified K2Cr2O7solution

Question # 23

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 24

Where lime is not used

Question # 25

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 26

The formula of lime stone is

Question # 27

The ore CaSO42H2O has the general name

Question # 28

Which salt is used for preserving food

Question # 29

Copper oxide is dedected by borax bead test with colour:

Question # 30

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

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQ`s Test

  • N
    Nasreen Sardar 09 - Jun - 2023 05 Min 45 Sec 115/120
  • T
    Tasawar Hussain 22 - Feb - 2024 04 Min 52 Sec 110/120
  • T
    TETO Teto 13 - Mar - 2023 01 Min 57 Sec 105/120
  • O
    Omer Farooq 11 - Mar - 2023 13 Min 21 Sec 100/120
  • R
    Rana Muzamil 11 - Mar - 2024 05 Min 18 Sec 90/120
  • A
    Arian Ahmed 07 - Mar - 2024 00 Min 05 Sec 75/120
  • A
    Anibullah Anib 26 - Feb - 2024 09 Min 31 Sec 75/120
  • G
    Gulbaz Nadeem 14 - May - 2024 09 Min 43 Sec 75/120
  • C
    Chhabibullah1492 Habib 26 - Feb - 2024 11 Min 13 Sec 75/120
  • D
    Daim Ali 05 - Dec - 2023 04 Min 00 Sec 70/120
  • A
    Ahmed Ashraf 12 - Mar - 2023 02 Min 24 Sec 65/120
  • A
    Azeema Siddique Muhammad Siddique 06 - Mar - 2024 03 Min 52 Sec 65/120
  • F
    Fatima Isfa 26 - Feb - 2024 08 Min 58 Sec 65/120
  • N
    Naheed Yasir 29 - May - 2024 06 Min 39 Sec 60/120
  • Z
    Zoya Zoya 27 - May - 2024 11 Min 34 Sec 60/120

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 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
3 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
4 All the following decompose easily on heating to give oxygen except
A. Lead nitrate
B. Potassium chlorate
C. Mercuric oxide
D. Manganese dioxide
5 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
6 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
7 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
8 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
9 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
10 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent

Test Questions