
111) Solution with pH less than 7 is
A) Sodium chloride solution
B) Sodium hydroxide solution
C) Acetic acid solution
D) Slaked line
112) In endothermic reaction, hear is
A) released
B) not changes
C) absorbed
D) all of the above
113) One mole of Propane (C3H8) on combination given ‘x’ kilo joules at STP. Heat liberated by the combustion of 11.2 litres of Propane at STP in kilo joules is
A) X
B) ![]()
C) 11.2X
D) 2X
114) A Na+BH2O→CNaOH2+DH2, in this equation the values of A,B,C and D are
A) A=1,B=1,C=2,D=1
B) A=2,B=2,C=2,D=1
C) A=1,B=1,C=1,D=1
D) A=2,B=1,C=2,D=1
115) Compound formed when excess CO2 is passed through lime water
A) Ca(OH)2
B) CaCO3
C) Cao
D) Ca(HCO3)2