The oxides of beryllium BeO is_______________?
A. Acidic C. Amphoteric
B. Basic D. Neutral
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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Formula of Chile saltpetre is__________________?
A. NaNO3
B. CaCO3
C. Ba (NO3)2
D. NH4Cl
Submitted by :- Jamil Ahmed
Elements are named as alkali metals because_______________?
A. Their oxides are basic
B. Their oxide and hydroxides are water soluble
C. Both A & B
D. They are found in earth
Submitted by :- Jamil Ahmed
Which one is natron?
A. Na2CO3 (Soda Ash)
B. Na2CO3.10H2O (washing soda)
C. Na2CO3.H2O (Mono Hydrate Soda Ash)
D. NaHCO3 (Baking Soda)
Submitted by :- Jamil Ahmed
Which ion will have maximum value of heat of hydration
Electrolysis of dilute solution of NaCl results at the anode_______________?
A. sodium
B. hydrogen
C. chlorine
D. oxygen
Submitted by :- Jamil Ahmed
Carnalite has chemical formula__________________?
A. KCI
B. KCI.MgCl2.6H2O
C. Na2B4O7.1H2O
D. CaCO3.MgCO3
Submitted by :- Jamil Ahmed
NaOH is named as caustic soda because________________?
A. It corrodes the organic tissues
B. It is used in soda water
C. It reacts with chlorine gas
D. It reacts with fats to form soap
Submitted by :- Jamil Ahmed
First ionization potential of alkaline earth metal is greater than alkali metals because___________________?
A. They are more reactive
B. They have greater atomic radii
C. They have smaller atomic sizes
D. All
Submitted by :- Jamil Ahmed
Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?
A. Smaller electronegativity of alkali metals
B. Smaller ionic radius of these metals
C. De-excitation of electrons from higher energy levels to low energy level
D. Excitation of electrons from low energy levels to higher energy levels
Submitted by :- Jamil Ahmed