The best indicator for titrating HCl with NH4OH is:
A. methyl Orange
B. litmus
C. phenol red
D. phenolphthalein
Ostwald’s dilution law applicable to:
A. All electrolytes
B. Strong electrolytes
C. Non electrolytes
D. Weak electrolytes
The phenomenon of negative catalysis is also known as:
A. auto catalysis
B. Self catalysis
C. inhibition
D. Enzyme catalysis
The decomposition of nitro-glycerine is an example of:
A. Self catalytic reaction
B. Enzyme catalytic reaction
C. Autocatalytic reaction
D. induced catalysis
Law of mass action was proposed by Goldberg and Peter Waage in:
A. 1864
B. 1866
C. 1888
D. None of These
Z number for chlorine is:
A. 35.5
B. 17
B. 15
D. 21
The only non metal exists in liquid state is:
A. Mercury
B. Bromine
C. Phosphorus
D. Iodine
The chemical symbol for silver is:
A. Au
B. Ag
C. Sv
D. At
In water molecule, Hydrogen & water are held together by ___ bond.
A. Ionic
B. Covalent
C. Hydrogen
D. Dating
One Water molecule can form maximum _____ hydrogen bonds.
A. 2
B. 3
C. 4
D. None
