FSC Part 1 Chemistry Chapter 1 Basic Concepts Online Test | ilmkidunya

Chemistry Fsc Part 1 Chapter 1 Online Test

Sr. #	Questions	Answers Choice
1	The smallest collection of ions in an ionic compound is called.	Formula unit Chemical formula Formula mass Molecular formula
2	The volume occupied by 1.4 g of N2 at S.T.P is	2.24 dm3 22.4 dm3 1.12 dm3 112 cm3
3	One mole of SO2 contains	6.02 x 10<sup>23</sup>atoms of oxygen 18.1 x 10<sup>23</sup>atoms of SO2 6.02 x 10<sup>23</sup>atoms of Sulphur 4 g atoms of SO2
4	The largest number of molecules are present in	3.6 of H2O 4.6 g of C2H5OH 2.8 g of CO 5.4 g of N2O5
5	the number of moles of CO2 which contain 8.0 g of oxygen.	0.25 0.50 1.0 1.50
6	Many element have fractional atomic masses. This is because.	the mass of the atom is itself fractional Atomic masses are average mases of Isobars Atomic masses are average masses Isotopes Atomic masses are average masses of Isotopes proportional to their relative abundance.
7	The volume occupied by 16 g of CH4 at S.T.P.	224.14 dm3 22.4 dm3 1.12 dm3 2.24 dm3
8	Ascorbic acid is vitamin.	A B C D
9	the volume occupied by 1.4 of N2 at S.T.P is	2.24 dm3 22.4 dm3 1.12 dm3 112 cm3
10	27g of Al will react completely with how much mass of O2, to produce Al2O3.	8 g of oxygen 16 g of oxygen 32 g of oxygen 24 g of oxygen
11	The mass of two moles of electrons is	1.10 mg 1.008 mg 0.184 mg 1.673 mg
12	The mass of one mole of electrons is.	1.008 mg 0.55 mg 0.184 mg 1.673 mg
13	The Number of moles of CO2 which contain 8.0 of oxygen.	0.25 0.15 0.35 1.45
14	During combustion analysis, CO2 produced is absorbed in	Mg (CLO4)2 50% KOH CaCl2 P2O5
15	Isotopes differ in.	Properties which depend upon mass Arrangement of electrons in orbitals Chemical properties None of these
16	The element nickel has isotopes.	3 2 5 7
17	Tin has isotopes.	9 10 11 12

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