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

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Book Name :  Chemistry
Chapter No. 01
Chapter Name : Basic Concepts 
Total MCQ from Text Book :  66
Book Version  :
2022

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




GRADE 11 - CHEMISTRY CHAPTER NO. 1 BASIC CONCEPTS

GRADE 11 - CHEMISTRY CHAPTER NO. 1 BASIC CONCEPTS

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:

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