The decomposition of nitroglycerine is an example of:

A. Self catalytic reaction
B. Enzyme catalytic reaction
C. Autocatalytic reaction
D. Induced catalysis

The phenomenon of negative catalysis is also known as:

A. Auto catalysis
B. Self catalysis
C. Inhibition
D. Enzyme catalysis

Ostwald’s dilution law applicable to:

A. All electrolytes
B. Strong electrolytes
C. Non electrolytes
D. Weak electrolytes

The best indicator for titrating HCl with NH4OH is: _________?

A. Methyl orange
B. Litmus
C. Phenol red
D. Phenopthalein

Species are formed in one step of reaction mechanism and used up in another step are called:

A. Catalyst
B. Intermediate
C. Inhibitor
D. Activated complex

How many major gases have been used in re​frig​er​a​tors since its invention?

A. 2
B. 3
C. 4
D. 5

The frequency of ultrasound wave is typically?

A. Above 20 khz
B. Above 20,000 khz
C. Below 20 khz
D. Below 02 khz

Farad is the unit of___________?

A. Inductance
B. Voltage
C. Capacitance
D. None of these

Which of the following phenomena of light are involved in the formation of a rainbow?

A. Refraction
B. Dispersion
C. Total internal reflection
D. All of the above

Which is the New & Most Important Culprit damaging the ozone Layer?

A. Carbon dioxide
B. Chlorofluoro carbons
C. Nitrous oxide
D. Carbon monoxide