Chemistry (UI) | Study Mode

Join Discuss Share Question Share to WhatsApp
Question 61
A
Decrease in temperature, increase in concentration of the reactant 
B
Increase in temperature, addition of a catalyst, decrease in the surface area of the reactant 
C
Increase in temperature, increase in concentration, addition of a catalyst and increase in the surface area of the reactant 
D
Decrease in temperature, concentration and surface area of the reactants 
E
Addition of catalyst and in the absence of light. 
Explanation.
Share Answer

No official Explanation yet!


Correct Option:
C
Join Discuss Share Question Share to WhatsApp
Question 63
A
it has an octet configuration 
B
it is very stable 
C
it is coloured 
D
it has incomplete outer shell d-electrons 
E
it has no electron in the d-orbital. 
Explanation.
Share Answer

No official Explanation yet!


Correct Option:
D
Join Discuss Share Question Share to WhatsApp
Question 64
A
electrolysis of dilute HCl 
B
electrolysis of brine 
C
neutralization of HCl 
D
heating potassium trioxochlorate (V) 
E
action of dilute mineral acids on bleaching powder. 
Explanation.
Share Answer

No official Explanation yet!


Correct Option:
B
Join Discuss Share Question Share to WhatsApp
Question 65
A
dissolve in alkalis 
B
react violently with H2 without heating 
C
displace each other from solutions of their salts 
D
are gases 
E
are liquids. 
Explanation.
Share Answer

No official Explanation yet!


Correct Option:
A
Join Discuss Share Question Share to WhatsApp
Question 69
A
C(s) + H2O(l) CO(g) + H2(g) 
B
2 Na(s) + 2H20(1) 2 NaOH(aq) + H2(g) 
C
Cu(s) + H2O(l) CuO(s) + H2(g) 
D
2Al(s) + 3H2O(l) Al2O3(s) + 3H2(g) 
E
Zn(s) + 2HCl(aq) ZnCl2(aq) + H2 (g) 
Explanation.
Share Answer

No official Explanation yet!


Correct Option:
E
Previous Page Next Page
Question Map
Quiz link
Share Chemistry (UI) with your friends
Share to WhatsApp Share Quiz CBT mode Study mode copy link