A process used for the Concentration of Ore is________?
A. Roasting
B. Forth flotation
C. Electrolysis
D. Distillation
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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Which Oxide of Manganese is amphoteric?
A. MnO2
B. Mn2O3
C. Mn2O7
D. MnO
Submitted by :- Jamil Ahmed
The purpose of Smelting an ore is to________?
A. Reduce it
B. Oxidize it
C. Obtain an alloy
D. Separate volatile impurities
Submitted by :- Jamil Ahmed
In borax bead test which compound is formed_________?
A. Ortho borate
B. Meta borate
C. Double oxide
D. Tetra borate
Submitted by :- Jamil Ahmed
Percentage of lead in lead pencil is________?
A. Zero
C. 8
B. 2
D. 7
Submitted by :- Jamil Ahmed
Cassiterite is an ore of_______?
Which of the following shows electrical conduction_____?
A. Potassium
B. Graphite
C. Diamond
D. Sodium
Submitted by :- Jamil Ahmed
The type of hybridisation of boron in diborane is______?
A. Sp- hybridisation
B. Sp2- hybridisation
C. Sp3- hybridisation
D. Sp3d2- hybridization
Submitted by :- Jamil Ahmed
Which of the following element has the maximum electron affinity_____?
The structure of H2O2 is_______?
A. Planar
B. Non- planar
C. Spherical
D. Linear
Submitted by :- Jamil Ahmed