chemistry test by Pro geniusstudets

Chemistry – Test 2

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Posted:12 Jul, 2025

🔬 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.

📘 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.

📊 Quiz Overview:
✅ Total Questions: 50
⏱️ Time Limit: 18 minutes (approx. 22 seconds per question)
🎯 Passing Criteria: 50%

👉 Take the challenge now and level up your chemistry prep!

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Chemistry Test 2

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1 / 50

Acetylene is oxidized by KMnO, to form?

2 / 50

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

3 / 50

Which of the species is not paramagnetic?

4 / 50

Valency of carbon is:

5 / 50

Depletion of the ozone layer is caused due to?

6 / 50

Find the temperature at which the rate of effusion of N₂ is 1.625 times to that of SO₂ at 500°C.

7 / 50

The oxidation state of nickel in [Ni(CO)₄] is:

8 / 50

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

9 / 50

H2SO4 is a/an:

10 / 50

Atomic radius can be determined by?

11 / 50

The list which contains only elements is?

12 / 50

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

13 / 50

The element of the group IIA are called:

14 / 50

All of the following substances are crystalline except?

15 / 50

Hydroxide ion in water is.....?

16 / 50

Which of the following enzymes converts maltose to glucose?

17 / 50

The correct order of electronegativity is?

18 / 50

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

19 / 50

In Dry cell, Cathode is made up of _______ ?

20 / 50

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

21 / 50

Most abundant element in earth's crust is:

22 / 50

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

23 / 50

Iodine has?

24 / 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.....?

25 / 50

The ionization energy of Hydrogen is?

26 / 50

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

27 / 50

Carbon atoms of diamond are?

28 / 50

D-block elements are also called as ?

29 / 50

__________is study about energy of a chemical system?

30 / 50

When milk of magnesia reacts with acetic acid it produces?

31 / 50

1 calorie = ______ joules?

32 / 50

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

33 / 50

Electronic configuration of alkaline earth element is ?

34 / 50

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

35 / 50

Oxidation number of Sodium is ______?

36 / 50

Baking powder is?

37 / 50

Which block of elements are known as transition elements?

38 / 50

Photochemical smog normally does not contain?

39 / 50

Which of the compounds can exist together?

40 / 50

Structural formula of cycloalkane is.....?

41 / 50

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

42 / 50

When ethyne is passed through a red hot iron tube.

43 / 50

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

44 / 50

The velocity of photon is?

45 / 50

The molar volume of CO2 is maximum at?

46 / 50

Neutron was discovered by Chadwick in?

47 / 50

Brine is used for industrial production of ?

48 / 50

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

49 / 50

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

50 / 50

When base reacts with the non-metal oxide?

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