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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?
A. Alkane B. Alkene C. Alkyne D. All have same Submitted by :- Jamil Ahmed
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: _________?
A. methyl Orange B. litmus C. phenol red D. phenolphthalein Submitted by :- Jamil Ahmed
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