Chemistry MCQs for PPSC FPSC KKPSC BPSC SPSC NTS Test No. 60

Online Free Taleem is free online MCQ’s test related to Lecturer Chemistry. All the individuals who are going to appear in PPSC, FPSC, KKPSC, SPSC, BPSC, AJ&KPSC, NTS, Lecturer Chemistry written test can attempt these tests in order to prepare for it in best possible way. Our tests of Lecturer of Chemistry include all the important questions and Past Paper of  Lecturer Chemistry, that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

Please Click Below START  Button to Take this Lecturer Chemistry Test Online.

Test Instructions:-
Test NameLecturer Chemistry
SubjectChemistry Test 60
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
0%

You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


Lecturer of Chemistry Online Test No. 60

1 / 25

A purified pepsin was subjected to amino acid analysis. The amino acid present in the smallest amount was lysine, C6H14N2O2 and the amount of lysine was found to be 0.431 g per 100 g of protein. The minimum molecular mass of protein is:

2 / 25

When 3 g H2 reacts with 29 g O2, the amount of H2O formed is?

3 / 25

A metal oxide has the formula M2O3. It can be reduced by hydrogen to give free metal and water. 0.1595 g of the metal oxide requires 6 mg of hydrogen for complete reduction. What is the atomic weight of metal?

4 / 25

Sodium bicarbonate on heating decomposes to form sodium carbonate, CO2 and water. If 0.2 moles of sodium bicarbonate is completely decomposed, how many moles of sodium carbonate is formed?

5 / 25

One mole of magnesium in the vapour state absorbed 1200 kJ mol-1 of energy. If the first and second ionization energies of Mg are 750 and 1450 kJ mol-1 respectively, the final composition of the mixture is:

A). 86% Mg+ + 14% Mg2+

B). 36% Mg+ + 64% Mg2+

C). 69% Mg+ + 31% Mg2+

D). 31% Mg+ + 69% Mg2+

6 / 25

How many gram of dibasic acid (mol. wt. 200) should be present in 100 mL of the aqueous solution to give
0.1 normality?

7 / 25

What is the volume (in litres) of CO2 liberated at STP, when 2.12 g of sodium carbonate (mol. wt. = 106)
is treated with excess dilute HCl?

8 / 25

A chloride of a metal (M) has 65.5% of chlorine. 100 ml of vapour of the chloride of metal at STP weighs 0.72 g. The molecular formula of this metal chloride is:

A). MCl3

B). MCl4

C). M2Cl3

D). MCl5

9 / 25

When a mixture of Na2CO3 and NaHCO3 was heated at 423 K, 112 ml of CO2 was formed only. What is the % of Na2CO3 here in the mixture:

10 / 25

What is the equivalent weight of KMnO4?

11 / 25

The mass of BaCO3 formed when excess of CO2 is passed through a solution having 0.205 mole of
Ba(OH)2 is:

12 / 25

The amount of Zinc (atomic weight = 65) necessary to produce 224 mL of H2 by the reaction with an acid
will be:

13 / 25

The density (in g mL-1) of a 3.60 M sulphuric acid solution, that is, 29% H2SO4 (molar mass = 98 g mol-1) by mass will be:

14 / 25

0.59 g of the silver salt of an organic acid (molar mass 210) on ignition gave 0.36 g of pure silver. The
basicity of the acid is:

15 / 25

Pressure in a mixture of 4 g of O2 and 2g of H2 confined in a container of 1 litre capacity at 0°C is:

16 / 25

One mole of acidified K2Cr2O7 on reaction with excess KI will liberate …… moles (s) of I2.

17 / 25

Find the number of valence electrons present in 0.53 g of Na2CO3:

A). 3.01 × 1023

B). 1.2046 × 1023

C). 12.046 × 1023

D). 6.023 × 1023

18 / 25

How many moles are present in 2.5 litre of 0.2 M H2SO4?

19 / 25

500 mL of NH3 contains 6.0 × 1023 molecules at STP. How many molecules are present in 100 mL of CO2 at STP?

A). 6 × 1023

B). 1.5 × 1023

C). 1.2 × 1023

D). None of these

20 / 25

‘X’ gram of calcium carbonate was completely burnt in air. The weight of solid residue formed is 28 g. What is the value of ‘X’ (in grams)?

21 / 25

The strength of 0.01 M Na2CO3 solution in terms of molality is nearly............. when the density of the solution is 1.1 g/mL.

A). 9 × 10-3

B). 1.8 × 10-3

C). 4.5 × 10-3

D). 1.1 × 10-3

22 / 25

For the formation of 3.65 g of HCl, what volume of H2 and Cl2 are needed at N.T.P?

23 / 25

If 3.02 × 1019 molecules are removed from 98 mg of H2SO4, then the number of moles of H2SO4 left are:

A). 0.1 × 10-3

B). 5 × 10-4

C). 1.2 × 10-4

D). 1.5 × 10-3

24 / 25

The volume of carbon dioxide gas evolved at STP by heating 7.3 g of Mg(HCO3)2 will be:

25 / 25

The number of gram molecules of oxygen in 6.02 × 1024 CO molecule‘s’ is:

Your score is

The average score is 0%

0%

Leave a comment

Your email address will not be published. Required fields are marked *