Chemistry Fsc Part 1 Online Test With Answers

Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1

32 g of oxygen gas contains.

 <p>6.02 x 10<sup> 23</sup> moles&nbsp;</p> <p>6.02 x 10<sup> 23</sup>&nbsp; atoms</p> <p>12.4 x 10<sup> 23</sup>&nbsp; molecules</p> <p>24.4 x 10<sup> 23</sup>&nbsp; atoms</p>
2

A ring has 6 g of diamond in it. What is the number of atoms in it.

 <p>3.01 x 10<sup> 23</sup></p> <p>6.02 x 10<sup> 23</sup></p> <p>6.02.01 x 10<sup>&nbsp;9</sup></p> <p>12.01 x 10<sup> 23</sup></p> <p>3.01 x 10<sup> 23</sup></p>
3

One mole of SO2 conatains.

 <p>6.02 x 10 <sup>23</sup> atoms of oxygen</p> <p>6.022 x 10 <sup>23</sup> atoms of sulphur</p> <p>4 g atoms of SO2</p> <p>18.1&nbsp; X 10<sup> 23</sup>&nbsp;moles of&nbsp; SO2</p>
4

The largest numebr of molecules are present in

 <p>3.6 g of H2O</p> <p>4.6 g of C2H5OH</p> <p>2.8 g of CO</p> <p>5.4 g of N2O5</p>
5

Number of molesin 100 g of KClO3

 <p>0.76</p> <p>0.56</p> <p>0.816</p> <p>0.014</p>
6

Mass of moles of CO2 is.

 <p>44 g</p> <p>88 g</p> <p>40 g</p> <p>50 g</p>
7

1 Mole of OH-1 ion is equal to

 <p>18 g</p> <p>17 g</p> <p>16 g</p> <p>10 g</p>
8

Which of the following has maximum mass

 <p>2 moles of P</p> <p>5 moles of H2O</p> <p>2 mole of Na2CO3</p> <p>1 mole of glucose</p>
9

The number of moles of CH4 in  4 g of gas is

 <p>0.2 moles</p> <p>0.25 mole</p> <p>0.3 mol</p> <p>0.4 mole</p>
10

The mass of 0.5 mole of Al is

 <p>13.5g</p> <p>12g</p> <p>14 g</p> <p>2.7 g</p>
11

The sum of atomic masses of all  the elements present in a oles in called.

 <p>Atomic mass</p> <p>Ionic mass</p> <p>Molecular mass</p> <p>Emperical formula mass</p>
12

One mole of water contains.

 <p>81 g water</p> <p>6.02 x 10<sup> 23</sup>&nbsp;atom</p> <p>6.02 x 10<sup> 23</sup>&nbsp;ions</p> <p>6.02 x 10<sup> 23</sup>&nbsp;molecule</p> <p>6.02 x 10<sup> 23</sup>&nbsp;atom</p>
13

What is the number of moless of oxygen in 11 g of CO2

 <p>0.25</p> <p>0.50</p> <p>0.75</p> <p>1.0</p>
14

What are teh numebr f moles of hydrogen atom in 3.2 g of CH4? 

 <p>0.2</p> <p>0.4</p> <p>0.6</p> <p>0.8</p>
15

The mass of one mole chlorine gas is.

 <p>71 g</p> <p>32 g</p> <p>35.5 g</p> <p>23 g</p>
16

One moleof crbon -12 has mass

 <p>0.012 kg</p> <p>1 kg</p> <p>0.0224 kg</p> <p>12 kg</p>
17

The number of moles of CO2 whci contain 8 g of oxygen.

 <p>0.25&nbsp;</p> <p>0.5</p> <p>1.0</p> <p>1.50</p>
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