Equal masses of methane and oxygen are mixed in empty container at 25?(C) The fraction of total pressure exerted by oxygen is___________________?
A. one / seventeen
B. sixteen / seventeen
C. one / three
D. two / three
Submitted by :- Jamil Ahmed
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.
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A method of separation of components from its solution using Distribution law is ___________________?
A. Sublimation
B. Crystallization
C. Solvent extraction
D. Distillation
Submitted by :- Jamil Ahmed
The type of filtering media used for filtration depending upon____________________?
A. Nature of reactants
B. Nature of crucible
C. Nature of product
D. Nature of precipitate
Submitted by :- Jamil Ahmed
Water absorber used in combustion analysis is___________________?
A. 5% KOH
B. Lime water
C. CaCl2
D. Mg (CIO4)2
Submitted by :- Jamil Ahmed
Which of the following set has all species isoelectronic__________________?
A. F – Cl – Br
B. Li+1 – Na+1 – K+1
C. F – Ne – Na+
D. H+ – H- – H
Submitted by :- Jamil Ahmed
The volume occupied by 1.4g CO at S.T.P is___________________?
A. 22.4 dm3
B. 2.24 dm3
C. 1.12 cm3
D. 1.12 dm3
Submitted by :- Jamil Ahmed
Isotopes differs in______________________?
A. arrangement of electrons in orbitals
B. position in the periodic table
C. properties depend upon mass
D. chemical properties
Submitted by :- Jamil Ahmed
The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is__________________?
A. Ethylene iodide
B. Ethylene bromide
C. Ethylene chloride
D. Ethylene fluoride
Submitted by :- Jamil Ahmed
Acid present in acid rain may be_________________?
A. H2SO4
B. HNO3
C. both A and B
D. none of the above
Submitted by :- Jamil Ahmed
Which is carnalite________________?
A. KCI
B. NaCI
C. KCI MgCl2 6H2O
D. Na2CO3. 1H2O
Submitted by :- Jamil Ahmed