BITSAT Chemistry Some Basic Concepts Of Chemistry MCQs

Refer to BITSAT Chemistry Some Basic Concepts Of Chemistry MCQs provided below. BITSAT Full Syllabus Chemistry MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Chemistry with answers have been prepared as per the latest syllabus, BITSAT books and examination pattern suggested in Full Syllabus by BITSAT, NCERT and KVS. Multiple Choice Questions for Some Basic Concepts Of Chemistry are an important part of exams for Full Syllabus Chemistry and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for BITSAT Full Syllabus Chemistry and also download more latest study material for all subjects

MCQ for Full Syllabus Chemistry Some Basic Concepts Of Chemistry

Full Syllabus Chemistry students should refer to the following multiple-choice questions with answers for Some Basic Concepts Of Chemistry in Full Syllabus. These MCQ questions with answers for Full Syllabus Chemistry will come in exams and help you to score good marks

Some Basic Concepts Of Chemistry MCQ Questions Full Syllabus Chemistry with Answers

Question: If a 25.0 mL sample of sulfuric acid is titrated with 50.0 mL of 0.025 M sodium hydroxide to a phenolphthalein endpoint, what is the molarity of the acid?

a) 0.020 M

b) 0.100 M

c) 0.025 M

d) 0.050 M

Answer: 0.025 M

 

Question: Find which of the following compound can have mass ratios of C:H:O as 6:1:24

a) HO-(C=O)-OH

b) HO-(C=O)-H

c) H-(C=O)-H

d) H3CO-(C=O)-H

Answer: HO-(C=O)-OH

 

Question: The normality of 26% (wt/vol) solution of ammonia (density = 0.855 ) is approximately :

a) 1.5

b) 0.4

c) 15.3

d) 4

Answer: 15.3

 

Question: 1.25 g of a sample of Na2CO3 and Na2SO4 is dissolved in 250 ml solution. 25 ml of this solution neutralises 20 ml of 0.1N H2SO4.The % of Na2CO3 in this sample is

a) 84.8%

b) 8.48%

c) 15.2%

d) 42.4%

Answer: 84.8%

 

Question: A compound of Xe and F is found to have 53.5% of Xe. What is oxidation number of Xe in this compound ?

a) – 4

b) 0

c) + 4

d) + 6

Answer: + 6

 

Question: The prefix 1018 is

a) giga

b) kilo

c) exa

d) nano

Answer: exa

 

Question: The formation of CO and CO2 illustrates the law of

a) Reciprocal proportion

b) Conservation of mass

c) Multiple proportion

d) Constant composition

Answer: Multiple proportion

 

Question: The number of atoms in 0.004 gm of magnesium is close to

a) 24 

b) 2 × 1020

c) 1020

d) 6.02 × 1023

Answer: 1020

 

Question: How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0M HNO3? The concentrated acid is 70% HNO3

a) 90.0 g conc. HNO3 

b) 70.0 g conc. HNO3

c) 54.0 g conc. HNO3

d) 45.0 g conc. HNO3

Answer: 45.0 g conc. HNO3

 

Question: Number of atoms of He in 100 amu of He (atomic wt. of He is 4) are :

a) 25

b) 100

c) 50

d) 100 × 6 × 10–23

Answer: 25

  

Question: The product of atomic weight and specific heat of any element is a constant, approximately 6.4. This is known as

a) Dalton’s law

b) Avogadro’s law

c) Newton’s law

d) Dulong Pettit law

Answer: Dulong Pettit law

 

Question: 1.520 g of hydroxide of a metal on ignition gave 0.995g of oxide. The equivalent weight of metal is :

a) 1.52

b) 0.995

c) 190

d) 9

Answer: 9

 

Question: The vapour density of ozone is

a) 16

b) 32

c) 24

d) 48

Answer: 24

 

Question: In redox reaction 1 gm-eq of reducing agent requires P gm-eq. of oxidising agent. The value of P is

a) 1

b) 2

c) 3

d) Depends on reaction

Answer: 1

 

Question: Given the numbers : 161 cm, 0.161 cm, 0.0161 cm. The number of significant figures for the three numbers are

a) 3, 4 and 5 respectively

b) 3, 3 and 4 respectively

c) 3, 3 and 3 respectively

d) 3, 4 and 4 respectively

Answer: 3, 3 and 3 respectively

 

Question: In which of the following number all zeros are significant?

a) 0.0005

b) 0.0500

c) 50.000

d) 0.0050

Answer: 50.000

 

Question: The number of electrons in a mole of hydrogen molecule is

a) 6.023 × 1023

b) 12.046 × 1023

c) 3.0115 × 1023

d) Indefinite

Answer: 12.046 × 1023

 

Question: When 30 liters of H2 and 30 liters of N2 are reacted NH3 is formed and the yield is only 50%.The composition of the gaseous mixture will be

a) 5L of N2, 5L of H2 and 5 L of NH3

b) 5L of N2, 10L of H2 and 10 L of NH3.

c) 10L of N2, 15L of H2 and 5 L of NH3

d) 5L of N2, 15L of H2 and 10 L of NH3

Answer: 5L of N2, 15L of H2 and 10 L of NH3

  

Question: The equivalent weight of H2O2 in BITSAT Some Basic Concepts of Chemistry 1is

a) 17

b) 34

c) 68

d) 85

Answer: 17

 

Question: A gas is found to have a formula [CO]x. Its vapour density is 70, the x is :

a) 3.0

b) 3.5

c) 5.0

d) 6.5

Answer: 5.0

 

Question: The volume of Cl2 at STP obtained on reacting 4.35 g MnO2 with conc. HCl (At. wt. of Mn = 55)

a) 4.48 litre

b) 2.24 litres

c) 1.12 litre

d) 0.56 litre

Answer: 1.12 litre

 

Question: The number of sodium atoms in 2 moles of sodium ferrocyanide is :

a) 12 × 1023 

b) 26 × 1023

c) 34 × 1023

d) 48 × 1023

Answer: 48 × 1023

 

Question: 1.520 g of hydroxide of a metal on ignition gave 0.995g of oxide. The equivalent weight of metal is :

a) 1.52

b) 0.995

c) 190

d) 9

Answer: 9

 

Question: The product of atomic weight and specific heat of any element is a constant, approximately 6.4. This is known as

a) Dalton’s law

b) Avogadro’s law

c) Newton’s law

d) Dulong Pettit law

Answer: Dulong Pettit law

 

Question: Number of atoms of He in 100 amu of He (atomic wt. of He is 4) are :

a) 25

b) 100

c) 50

d) 100 × 6 × 10–23

Answer: 25

 

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BITSAT Full Syllabus Chemistry Some Basic Concepts Of Chemistry MCQs

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