Chemistry Chapter No.1 Basic Concepts 1st Year Online MCQs

Chemistry MCQs 1st Year Chapter No.1 Basic Concepts, FSc, First Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Question Answers Notes in Pdf, Old Board Papers reference with Each Question, All Queries accommodated within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

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Book Name :  Chemistry
Chapter No. 01
Chapter Name : Basic Concepts 
Total MCQ from Text Book :  66
Book Version  :

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 11 ( F.Sc. Intermediate)
Total Marks : 66
Total Time :   66 minutes



1 / 66

22414 cm3 of an ideal gas is equal to:

2 / 66

The number of moles of CO2 containing 8g of oxygen:

3 / 66

The mass of Aluminium in 51 g of Al203 is:

4 / 66

It is not a molecular ion:

5 / 66

The mass of glucose which contains 6.02 x 1022 molecules:

6 / 66

Mass of Sodium in 53g of Na2CO3 is:

7 / 66

The volume of 2.2g of CO2 at STP is:

8 / 66

The volume occupied by 1.4 g of N2 at S.T.P. is:

9 / 66

The number of atoms in 4.25g of NH3 is approximately:

10 / 66

Number of atoms present in 1 mole of NaOH:

11 / 66

The total number of atoms in 64 g of sulphur dioxide is:

12 / 66

When we compare one mole each of 02 and H2, then we observe:

13 / 66

Out of 280 isotopes that occur in nature, number of isotopes with even mass number and even atomic number:

14 / 66

Isotopes differ in:

15 / 66

A limiting reactant is the one which:

16 / 66

1 mole of CH4 contains

17 / 66

27g of al will react completely with how much mass of O2 to produce AlO2O3

18 / 66

In combustion analysis, the weight of CO2 absot a Pr is increased due to formation of:

19 / 66

The diameter of, atoms are in the order, according to X-ray work:

20 / 66

8g of 02 reacts with 8g I-12, the mass of H2O formed is:

21 / 66

Maximum number of atoms are present in:

22 / 66

Which is a different cation?

23 / 66

Mass spectrometer separates different positive isotopic ions on the basis of their:

24 / 66

The largest number of molecules-are present in:

25 / 66

Number of moles of water present in 90 g of water are:

26 / 66

The highest percentage of oxygen by weight is present in :

27 / 66

Formation of uninegative ion is:

28 / 66

112 g iron reacts with steam to produce H2 and Fe(OH)2 Amount of H2 produced in this reaction

Fe+2H2O ------> Fe(OH)2 + H2

29 / 66

The volume occupied by 1.6 g of 02 at STP:

30 / 66

Which one is the empirical formula of a compound?

31 / 66

1.5 mol of 02 combines with Mg to form MgO. The mass of Mg (atomic mass 24) that has combined is:

32 / 66

Which of the following does not have same empirical and molecular formula?

33 / 66

Gold, Arsenic, Fluorine and Iodine are:

34 / 66

How many peaks would appear in mass spectrograph when we run C-12:

35 / 66

Which one is a molecular ion?

36 / 66

The highest number of molecules are present in:

37 / 66

Which of the following statement is not true?

38 / 66

What is the maximum mass of Cr that can be extracted from 76 g of Cr203? (Retative mass of Cr.= 52)

39 / 66

Many elements have fractional atomic masses. This is because:

40 / 66

1 g ions of CO-23 weighs:

41 / 66

Isotopes donot differ in:

42 / 66

16g of H2 reacts with 16g of 02. The mass of H2O formed is:

43 / 66

One mole of SO2 contains:

44 / 66

Total number of electrons present in 20g of CaCO3:

45 / 66

Gold has number of isotopes:

46 / 66

The number of molecules present in 3g of water is:

47 / 66

The percentage of Sodium

48 / 66

Which of the following sample of CO2 has least number of molecules?

49 / 66

Fluorine atom and fluoride ions:

50 / 66

The mass of one mole of electron is:

51 / 66

Palladium has no of isotopes:

52 / 66

Silver has number of isotopes:

53 / 66

A ring contains 1.2 g of diamond. No. of carbon atoms in this diamond is:

54 / 66

In a mass spectrum, the height of the peak explains:

55 / 66

The radius of atoms are in the range:

56 / 66

Percentage yield is the ratio

57 / 66

One amu is equal to

58 / 66

CO+ is an example of:

59 / 66

Tin (element) has number of isotopes:

60 / 66

"Isotopy" was discovered first of all by:

61 / 66

How many grams of water will be formed when 16g Hydrogen reacts with 32g oxygen?

62 / 66

Which of the following leads to the formation of compound?

63 / 66

Point out set of specie which are iso-electronic?

64 / 66

The number of moles of CO2 which contain 8 g of oxygen:

65 / 66

Which of the following is approximately 3400 times lighter than haemoglobin molecule?

66 / 66

Haemoglobin is:

Your score is

The average score is 30%


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