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

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

2 / 50

Iodine has?

3 / 50

The molar volume of CO2 is maximum at?

4 / 50

Which of the compounds can exist together?

5 / 50

Valency of carbon is:

6 / 50

Acetylene is oxidized by KMnO, to form?

7 / 50

Which of the following enzymes converts maltose to glucose?

8 / 50

In Dry cell, Cathode is made up of _______ ?

9 / 50

Atomic radius can be determined by?

10 / 50

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

11 / 50

Most abundant element in earth's crust is:

12 / 50

Oxidation number of Sodium is ______?

13 / 50

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

14 / 50

Neutron was discovered by Chadwick in?

15 / 50

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

16 / 50

All of the following substances are crystalline except?

17 / 50

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

18 / 50

Carbon atoms of diamond are?

19 / 50

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

20 / 50

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

21 / 50

Hydroxide ion in water is.....?

22 / 50

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

23 / 50

The velocity of photon is?

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

Which of the species is not paramagnetic?

26 / 50

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

27 / 50

Baking powder is?

28 / 50

Which block of elements are known as transition elements?

29 / 50

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

30 / 50

H2SO4 is a/an:

31 / 50

Brine is used for industrial production of ?

32 / 50

Electronic configuration of alkaline earth element is ?

33 / 50

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

34 / 50

Structural formula of cycloalkane is.....?

35 / 50

1 calorie = ______ joules?

36 / 50

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

37 / 50

D-block elements are also called as ?

38 / 50

The correct order of electronegativity is?

39 / 50

Depletion of the ozone layer is caused due to?

40 / 50

When ethyne is passed through a red hot iron tube.

41 / 50

The list which contains only elements is?

42 / 50

When milk of magnesia reacts with acetic acid it produces?

43 / 50

The element of the group IIA are called:

44 / 50

When base reacts with the non-metal oxide?

45 / 50

The ionization energy of Hydrogen is?

46 / 50

__________is study about energy of a chemical system?

47 / 50

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

48 / 50

Photochemical smog normally does not contain?

49 / 50

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

50 / 50

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

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