chemistry test by Pro geniusstudets

Chemistry – Test 2

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Posted: 12 Jul, 2025

πŸ”¬ Forces Chemistry Quiz – Test 2

Welcome to the second quiz in our Chemistry series, crafted for candidates preparing for Pakistan Army, Navy, and Air Force entry tests. This test is ideal for assessing your grasp of essential topics like chemical bonding, atomic structure, reactions, periodic trends, and acids-bases.

πŸ“˜ Why Take This Quiz?
This quiz helps identify weak spots, strengthens your understanding of tricky concepts, and enhances speed and accuracy for real exam conditions. Each MCQ reflects the type of questions often found in initial military selection tests.

πŸ“Š Quiz Overview:
βœ… Total Questions: 50
⏱️ Time Limit: 18 minutes (approx. 22 seconds per question)
🎯 Passing Criteria: 50%

πŸ‘‰ Take the challenge now and level up your chemistry prep!

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Chemistry Test 2

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1 / 50

Which of the species is not paramagnetic?

2 / 50

The splitting of a spectral lines into two or more components of slightly
different frequency when the light source is place in a magnetic field is known
as.....?

3 / 50

At equilibrium,the amount of product and reactant becomes........?

4 / 50

Valency of carbon is:

5 / 50

H2SO4 is a/an:

6 / 50

Diamond is not a good conductor of electricity because there is......

7 / 50

Find the temperature at which the rate of effusion of Nβ‚‚ is 1.625 times to that of SOβ‚‚ at 500Β°C.

8 / 50

When milk of magnesia reacts with acetic acid it produces?

9 / 50

In Dry cell, Cathode is made up of _______ ?

10 / 50

When ethyne is passed through a red hot iron tube.

11 / 50

In CO2 the OXYGEN=16g/mol the no. of moles of CARBON =.........

12 / 50

Hybridization of OXYGEN in H2O is.....?

13 / 50

Catalytic activity of Aldehydes gives......?

14 / 50

The velocity of photon is?

15 / 50

Carbon atoms of diamond are?

16 / 50

Which block of elements are known as transition elements?

17 / 50

Most abundant element in earth's crust is:

18 / 50

1 calorie = ______ joules?

19 / 50

All of the following substances are crystalline except?

20 / 50

The energy obtained from electric cells and batteries as a result of a chemical reaction is called?

21 / 50

The oxidation state of nickel in [Ni(CO)β‚„] is:

22 / 50

If absolute temperature of a gas is doubled and the pressure is reduced to one half the volume of gas will?

23 / 50

Which of the following enzymes converts maltose to glucose?

24 / 50

The list which contains only elements is?

25 / 50

__________is study about energy of a chemical system?

26 / 50

Neutron was discovered by Chadwick in?

27 / 50

Oxidation number of Sodium is ______?

28 / 50

The amount of heat required to vaporize one mole of a liquid at its boiling point is called?

29 / 50

Hydroxide ion in water is.....?

30 / 50

The molar volume of CO2 is maximum at?

31 / 50

Acetylene is oxidized by KMnO, to form?

32 / 50

Depletion of the ozone layer is caused due to?

33 / 50

Iodine has?

34 / 50

The correct order of electronegativity is?

35 / 50

Which of the compounds can exist together?

36 / 50

The element of the group IIA are called:

37 / 50

The ionization energy of Hydrogen is?

38 / 50

Brine is used for industrial production of ?

39 / 50

Photochemical smog normally does not contain?

40 / 50

When base reacts with the non-metal oxide?

41 / 50

Structural formula of cycloalkane is.....?

42 / 50

Find the fraction of the total pressure exerted by hydrogen if it is mixed with ethane in an empty container at 25Β°C.

43 / 50

Baking powder is?

44 / 50

Electronic configuration of alkaline earth element is ?

45 / 50

Maximum number of electron that accumudate in a sheel......?

46 / 50

Carboxylic acids are also called........?

47 / 50

Atomic radius can be determined by?

48 / 50

D-block elements are also called as ?

49 / 50

Catalytic activity of Ketones gives......?

50 / 50

The ratio of the water molecule in plaster of Paris and gypsum is?

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