Positron has __________charge.
A. +ve
B. -ve
C. Neutral
D. None of them
Submitted by :- Jamil Ahmed
Compound containing two halogen atoms on two adjacent carbon atoms are called as ___________?
A. Glycols
B. Vicinal dihalides
C. Geminal dihalides
D. Diols
Submitted by :- Jamil Ahmed
The process by which plants lose water from leaves by evaporation is called as
A. Respiration
B. Transpiration
C. Absorption
D. Photosynthesis
Submitted by :- Muhammad Nawaz
Out of Alkane, Alkene & Alkyne, which one is more acidic?
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
Submitted by :- Jamil Ahmed
The best indicator for titrating HCl with NH4OH is: _________?
Ostwald’s dilution law applicable to:
A. All electrolytes
B. Strong electrolytes
C. Non electrolytes
D. Weak electrolytes
Submitted by :- Jamil Ahmed
The phenomenon of negative catalysis is also known as
A. auto catalysis
B. Self catalysis
C. inhibition
D. Enzyme catalysis
Submitted by :- Jamil Ahmed
The decomposition of nitroglycerine is an example of:
A. Self catalytic reaction
B. Enzyme catalytic reaction
C. Autocatalytic reaction
D. induced catalysis
Submitted by :- Jamil Ahmed
The product of the reaction between steam and Hydrocarbon in presence of Ni catalyst at 9°C is _____.
A. CO²+O²
B. CO+H²(water gas)
C. CO³+H²O
D. Laughing Gas
Submitted by :- Jamil Ahmed