Chemistry Fsc Part 1 Online Test With Answers

Chemistry Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1

The mass of one mole of electron is

 <p>1.088 mg</p> <p>0.55 mg</p> <p>0.184 mg</p> <p>1.67 mg</p>
2

A gas has a density of 1.43 g  dm3 at STP. What is the molar mass of the gas?

 <p>14.3 g mol-1</p> <p>32.0 g mol-1</p> <p>22.4 g mol-1</p> <p>64.0 g mol-1</p>
3

The numebr of molesof CO2 which contain 8 g of oxygen

 <p>0.25</p> <p>0.5</p> <p>1.0</p> <p>1.50</p>
4

The mass of one mole of electron is

 <p>0.55 mg</p> <p>1.088 mg</p> <p>0.184 mg</p> <p>1.67 mg</p>
5

A sample of nitrogen gas has a mass of 14.0 g,How many nitrogen atoms are present in the this sample

 <p>3.01 x 10 <sup>25</sup> atoms</p> <p>6.02 x 10 <sup>23</sup> atoms</p> <p>12.01 x 10 <sup>25</sup> atoms</p> <p>2.40 x 10 <sup>25</sup> atoms</p>
6

A solution contain 10.0 g of an unknow s solute in 250 cm3 of solutin. If the molar concentration of the solutin is 0.20 mol dm-3 what is the molar mass of the scolute.

 <p>200 g mol -1</p> <p>50 g mol -1</p> <p>100 gmol -1</p> <p>400 g mol-1</p>
7

Volume of S.T.P of 22g of O2 is same as that of

 <p>2 g of hydrogen</p> <p>8.5 g of NH3</p> <p>64 g of gaseous SO2</p> <p>7 g of CO2</p>
8

A solution contains 4.0 g of sodium hydroxide  in 250 cm3 of solution. What is the molar concentration of this solution 

 <p>0.10 mol dm-3</p> <p>0.20 mol dm-3</p> <p>0.40 mol dm-3</p> <p>0.80 mol dm-3</p>
9

A container holds 0,5 moles of an ideal gas at STP, What is the volume of the gas in dm3

 <p>11.2 dm3</p> <p>22.4 dm3</p> <p>44.8 dm3</p> <p>12.2 dm3</p>
10

4.0 g of NaOH (molar mass 40 g mol-1) contains same numebr of sodium ions as are present in 

 <p>5.3 g of Na2CO 3</p> <p>58.5 g of NaCl</p> <p>76 g Na2 SO4</p> <p>85 g of NaNO3</p>
11

Which of the following contains same number of particles as present in 12 g of carbon

 <p>28 f od ieon&nbsp; (Atomic mass of Fe= 56)</p> <p>48 g of magnesium (Atomic mass of Mg =24)</p> <p>32 g of S Molecules (Atomic mass S= 32)</p> <p>44 g of carbon dioxide (molar mass of CO2= 44)</p>
12

Which one of the followng gases will have maximum volume at STP.

 <p>88 g of N2O</p> <p>22 g of CO2</p> <p>28 g of CO</p> <p>28 g of N2</p>
13

Which one of the followng has maximum mass.

 <p>0.5 mol of N2</p> <p>0.5 Mol of NH3</p> <p>0.5 mol of He</p> <p>0.5 mol of H2</p>
14

Which one of the following Statments is incorrect 

 <p>One mole of nitrogen gas contains Avogadro&#39;s numebr of moleclues</p> <p>One mole of ozone gas contains avogadr&#39;s number of molecules</p> <p>One mole of ozone contains avogadro&#39;s number of O atom</p> <p>One moleof hydrogen gas contains Avogadro&#39;s numebrof molecules</p>
15

Paramagnetic specie is.

 <p>N2</p> <p>N2<sup> -1</sup></p> <p>O2 <sup>+2</sup></p> <p>O2 <sup>-2</sup></p>
16

Highest bond order is found in

 <p>O2</p> <p>O2 <sup>-1</sup></p> <p>O2 <sup>+2</sup></p> <p>O2 <sup>+1</sup></p>
17

Which theory explain the paramagnetic behavior exhibited  by  O2 molecule.

 <p>Band Theory</p> <p>VBT</p> <p>MOT</p> <p>VSEPR Theory</p>
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