Which of the following is the compound formed by combination of impurities in the ores and foreign substance added?
- Gangue
- Slag
- Matrix
- Flux
Submitted by :- Muhammad Nawaz
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
| Now you can submit here the latest Chemistry MCQs. SUBMIT HERE |
|---|
Clemmensens reduction infolves the reduction of___________________?
A. ketone
B. alkane
C. aldehyde
D. all of the above
Submitted by :- Jamil Ahmed
Which is/are the ores of Mg?
- Karnalite
- Magnesite
- Dolomite
- All of these
Submitted by :- Muhammad Nawaz
When one hydrogen atom of alkane is removed then it is called________________?
A. alkene
B. alkyl
C. aldehyde
D. saturated hydrocarbon
Submitted by :- Jamil Ahmed
Which of the following is a chemical substance which is used to remove gangue from ore
- Slag
- Matrix
- Flux
- Gangue
Submitted by :- Muhammad Nawaz
Which is methyl cyanide_________________?
A. CH3NH2
B. CH3NO2
C. CH3CN
D. CH2 = CH – CN
Submitted by :- Jamil Ahmed
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. base the concentration of substrate as well as nucleophile
Submitted by :- Jamil Ahmed
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