Q57. Mol fraction of A in H2O is 0.2 . Molality of A in H2O is
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20%
0.6
40%
0.8
20%
13.6
20%
13.8
Q59. conc of glucose in normal blood is 90mg per 100 ml . molarity ?
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0%
5M
60%
0.005M
40%
0.05
0%
1M
Q60. concentrated aqueous sulphric acid is 98% [w/v] and has density of 1.8 . molarity
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25%
1M
0%
0.0001M
75%
10M
0%
1000M
Q61. What volume of water is to be added to 100 of 0.5M NaOH solution to makeit 0.1 M solution?
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0%
200
75%
400
0%
100
25%
600
Q62. 74.5 metallic chloride contains 35.5 g of chloribe . equivalent weight of metal
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50%
30
50%
39
0%
35.5
0%
100
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Q63 . An oxide of metal have 20% oxygen , then equivalent mass of oxide
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50%
10
25%
20
0%
30
25%
40
Q.64
Calculate mass of NH3 produced if 10 g of N2 and 20 of H2 is reacted in Habers process
Calculate mass of NH3 produced if 10 g of N2 and 20 of H2 is reacted in Habers process
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20%
12.1g
20%
12g
20%
2.14g
40%
93.3g
Q65. Limiting reagent in a chemical rxn is that rxn which
Anonymous Quiz
29%
Left some amount for unreacted
43%
Complete reacts
14%
Doesn't react
14%
All of above
Q66.
When 5 moles N2 reacts with 10 moles of H2 in Habers process , moles of NH3 form will be 20/3 moles , which is excess reagent and limiting factor?
When 5 moles N2 reacts with 10 moles of H2 in Habers process , moles of NH3 form will be 20/3 moles , which is excess reagent and limiting factor?
Anonymous Quiz
0%
Excess reactant = H2 and Limiting reactant = N2
50%
Excess reactant = H2 and Limiting reactant = None
33%
Excess reactant = N2 and Limiting reactant = H2
17%
Excess reactant = H2 and Limiting reactant = NH3
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Q67.
Statement 1 : Unitess quantity has dimensions
Statement 2 : A dimensionsless quantity must have units In order to this which option is accurately correct?
Statement 1 : Unitess quantity has dimensions
Statement 2 : A dimensionsless quantity must have units In order to this which option is accurately correct?
Anonymous Quiz
0%
1 : strain & 2 : plane angles
0%
1: solid angle & 2: plane angles
83%
1: no constants or physical form & 2 : plane angles
17%
None
Q68. The quantities which have same dimensions as those of plane angles ?
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17%
Strain and arc
83%
Strain and relative density
0%
Solid angles and spring constant
0%
Friction & power