Dalal Chemistry Class 9 Solutions. We covered all the Dalal Chemistry Class 9 Solutions in this post for free so that you can practice well for the exam.
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Dalal Chemistry Class 9 Objective with Solutions
The percentage of carbon in steel:
(a) 3 to 5
(b) 0.1 to 0.25
(c) 0.5 to 1.5
(d) 6 to 8
Option c – 0.5 to 1.5
Organic compounds are:
(a) Covalent compounds
(b) Ionic compounds
(c) Coordination compounds
(d) Interstitial compounds
Option a – Covalent compounds
Which of the following gases has the highest average velocity at a certain temperature?
(a) Methane
(b) Oxygen
(c) Carbon monoxide
(d) Neon
Option d – Neon
The universal solvent is:
(a) Alcohols
(b) Aqua regia
(c) Hydrochloric acid
(d) Water
Option d – Water
The apparatus used to test the acidity of an aqueous solution is:
(a) pH meter
(b) Ammeter
(c) Hygrometer
(d) Acidmeter
Option a – pH meter
Which one of the following is also known as a solution?
(a) A compound
(b) A homogeneous mixture
(c) A heterogeneous mixture
(d) A suspension
Option b – A homogeneous mixture
Combustion is a:
(a) Physical and chemical process
(b) Biological process
(c) Physical process
(d) Chemical process
Option d – Chemical process
The commonly used gas in advertisement sign-boards and decorative lights is:
(a) Nitrogen
(b) Chlorine
(c) Hydrogen
(d) Neon
Option d – Neon
Which of the following is biodegradable?
(a) Leather belts
(b) Silver foil
(c) Iron nails
(d) Plastic mugs
Option a – Leather belts
The total energy of an electron inside an atom is:
(a) Infinite
(b) Zero
(c) More than zero
(d) Less than zero
Option d – Less than zero
The rusting of metal iron in air needs:
(a) Oxygen and grease
(b) Oxygen and moisture
(c) Carbon dioxide and moisture
(d) Water and paint
Option b – Oxygen and moisture
Which one of the following is both a local anesthetic as well as a stimulant?
(a) Cocaine
(b) Alcohol
(c) Heroin
(d) Quinine
Option a – Cocaine
We covered all the dalal chemistry class 9 solutions above in this post for free so that you can practice well for the exam.
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