10th Class Chemistry Chapter 2 English Medium Online MCQ Test With Answer

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MCQ's Test For Chapter 15 " Acid bases and Salts"

Try The MCQ's Test For Chapter 15 " Acid bases and Salts"

  • Total Questions12

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Acid bases and Salts

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Question # 1

Molar concentration is expressed in which of the following units.

Question # 2

Glucose has an empirical formula of CH2O and a molecular mass of 180 .What is its molecular formula.

Question # 3

Benzene and acetyle both have the same emperical formula which is.

Question # 4

How many moles of natural gas CH4 will be present in a cylinder if its volume is 18 dm3 at RTP?

Question # 5

What is formula mass of Ca(OH)2?

Question # 6

The quantity of product actually obtained when a chemical raetion is performed is called.

Question # 7

the percentage mass of each element present in a compound is know as.

Question # 8

Concentratio of solution is a measure of the amount of solute dissolved in given amount of.

Question # 9

What is teh standard unit for the mass/volume concentration.

Question # 10

Titration is a technique used to find the concentration of a solution by reacting it with.

Question # 11

When natural gas burns in air, which component is the limiting reactant.

Question # 12

To determine the concentration of a solution via titration, you must know the

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10th Class (English Medium) Chemistry (New Book) Chapter 15 Important MCQ's

Sr.# Question Answer
1 At RTP, one mole of any gas occupies a volume of.
A. 22 dm3
B. 23 dm3
C. 24 dm3
D. 25 dm3
2 The formula that represents the simpleast whole numebr ratio of atoms in compund is the
A. Empricial formula
B. Molecular formula
C. Molar volume
D. Percentage composition
3 the pressure value used for standard RTP conditons is.
A. 100 kpa
B. 1 atmosphere (760 torr)
C. 273 torr
D. 24 atmosphere
4 what will the molar concentration of potassium hydroxide solution if 2.0 g it are dissolved in 100 cm3 of solution.
A. 0.36 mol/dm3
B. 053 mol/dm3
C. 0.70 mol/dm3
D. 0.45 mol/dme
5 Empirical formula of water is.
A. H2O
B. 2H2O
C. H2O2
D. HO
6 Empirical formula of magnesium chloride is.
A. MgCl2
B. 2 MgCl
C. Mg2Cl2
D. 2 MgCl2
7 The quantity of product actually obtained when a chemical raetion is performed is called.
A. theoreticla yield
B. Actual yield
C. Percent purity
D. Stoichiometric yield
8 How many moles of HCl are needed to react with 1 mole of Ca CO3 in the given reaction.
A. 1 mole
B. 2 moles
C. 3 moles
D. 4 moles
9 Volume occupied by 15 moles of ammonia gas at RTP.
A. 224 dm3
B. 160 dm3
C. 360 dm3
D. 265 dm3
10 In a titratin, the solution is added unitll the .............. point is reached.
A. starting
B. Boiling
C. End
D. Freezing

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