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Which is/are the impurities which are present in ores?
Gangue Slag Minerals Flux Submitted by :- Muhammad Nawaz
The rate of E1 reaction depends upon______________________?
A. the concentration of substrate B. the concentration of nucleophile C. the concentration of substrate as well as nucleophile D.…
What is the order of kinetics in the SN1 mechanism ?
A. Zero B. First C. Second D. Third Submitted by :- Jamil Ahmed
Stainless steel consists of elements like ________.
Fe & Ni Cr only Fe, Ni & Cr Fe only Submitted by :- Muhammad Nawaz
What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?
A. Zero B. One C. Two D. Three Submitted by :- Jamil Ahmed
The number of molecules taking part in the rate determining step is called___________________?
A. Order of reaction B. Rate of reaction C. Mole of a reaction D. Extent of a reaction Submitted by…
Which of the following is the purest form of iron?
Steel Wrought iron Pig iron Cast iron Submitted by :- Muhammad Nawaz
Ethyl chloride with nascent hydrogen produces_________________?
A. methane B. ethane C. propane D. butane Submitted by :- Jamil Ahmed
Which C-X bond has the highest bond energy per mole ?
A. C-F B. C-C C. C-Br D. C-I Submitted by :- Jamil Ahmed
Which of the following process is used to get pure Al (99.99%)?
[A] Hall’s process [B] Serpek’s process [C] Hopp’s process [D] Bayer’s process Submitted by :- Muhammad Nawaz