A. H2SO4
B. HNO3
C. both A and B
D. none of the above
Acid present in acid rain may be_________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. First order reaction
B. Second order reaction
C. Zero order reaction
D. Third order reaction
The unit of the rate constant (k) is same as that of rate of reaction________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. Pd
B. Ni
C. Sn
D. All of the above
Which of the following elements react with steam to produce H2 gas? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. 6
B. 8
C. 10
D. 4
A. dilute and concentrated
B. dilute and saturated
C. saturated and unsaturated
D. saturated and super saturated
A solution can be both____________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none
The unit of molality is__________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. 4.0 x 10-8
B. 3.2 x 10-11
C. 2.0 x 10-8
D. 4.0 x 10-12
Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. Kc is constant at given temperature
B. Kc is unaffected by change in concentration of reactants or products
C. Kc indicates the extent of reaction but not about the rate of reaction.
D. All of the above
Which of the following points are important in connection with equilibrium constant ? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. CCI4
B. CO2
C. BF3
D. none of the above
Which of the following molecule is polar__________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs A. B
B. C
C. N
D. O
Which of the following elements has greater 1st ionization energy__________________? Read More »
Chemistry Basic Concept, Chemistry Mcqs