A catalyst can not effect__________________?
A. Products
B. Chemical equilibrium
C. Reactants
D. both A & B
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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Each catalyst has_________________?
A. Specificity
B. Special structure
C. Its own Ea
D. all of above
Submitted by :- Jamil Ahmed
Which of the following ion is stable in aqueous solution ?
A. H+
B. H-
C. Cl-
D. All are stable
Submitted by :- Jamil Ahmed
An element has electronic configuration 1s2 2s2 2p2. It belongs to__________________?
a. Group II-A
B. Group IV-A
C. Group VII-A
D. Group VI-A
Submitted by :- Jamil Ahmed
The atomic radii decrease by increasing atomic number in________________?
a. Alkali metal
B. Alkaline earth metal
C. Elements from Li to Ne
D. Halogens
Submitted by :- Jamil Ahmed
Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?
a. The nature of its oxides
B. The charge on its ions
C. The formula of its oxide
D. Its number of isotopes
Submitted by :- Jamil Ahmed
Which one of the following sets consists of all coinage metals ?
a. Cu Hg Au
B. Cu Ag Au
C. Ag Au Hg
D. Cu Fe Au
Submitted by :- Jamil Ahmed
Non-metals usually form _________________ oxides?
a. Acidic
B. Amphoteric
C. Neutral
D. All of the above
Submitted by :- Jamil Ahmed
Inner transition elements are called _________________?
A. Lanthanides
B. Actinides
C. Rare earth metals
D. All
Submitted by :- Jamil Ahmed
In modern periodic table all the elements are arranged in ascending order of__________________?
A. Valency C. Atomic number
B. Atomic mass D. Valence electrons
Submitted by :- Jamil Ahmed