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Class 10 science

Home/ Class 10/Class 10 science/Page 2

Assertion (A) : Sodium reacts with water, producing a hissing sound Reason (R) : Sodium reacts with water and produces hydrogen gas.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 30 views Enlightened 0

Assertion .Metals have the quality of reflecting light from their surface and can be polished. Reason . Non-metals are not usually lustrous.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 15 views Enlightened 0

.Assertion: Al2O3, is an amphoteric oxide. Reason: Al2O3 reacts with acid as well as base to form salt and water

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of theAssertion. (c) Assertion is ...
in progress 0
Class 10 science 3 years 1 Answer 2 views Enlightened 0

ASSERTION: Combustion reactions are also called exothermic oxidation reactions. REASON: In these reactions, oxygen is added and heat energy is released.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 11 views Enlightened 0

ASSERTION: Bleaching powder has a strong smell of chlorine. REASON: Bleaching powder is a white powder and an oxidising agent.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the  Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 2 Answers 7 views Enlightened 0

ASSERTION: Aluminium oxide is an amphoteric oxide. REASON: They react with acid as well as base to form salt and water

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the  Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 14 views Enlightened 0

ASSERTION: Sodium and potassium is stored under kerosene. REASON: Sodium (Na) and Potassium (K) belongs to group IA, so they are alkali metals.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
0
Class 10 science 3 years 0 Answers 8 views Enlightened 0

ASSERTION: Sodium and potassium is stored under kerosene. REASON: Sodium (Na) and Potassium (K) belongs to group IA, so they are alkali metals.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 81 views Enlightened 0

ASSERTION: Ethylene is an unsaturated hydrocarbon. REASON: Ethylene contains carbon-carbon triple covalent bond.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 25 views Enlightened 0

ASSERTION: Sodium bicarbonate is used in antacid medicines. REASON: It is a mild based which neutralizes the acidity of gastric juice.

Question
Priyanka QNA Priyanka QNA
(a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion ...
in progress 0
Class 10 science 3 years 1 Answer 7 views Enlightened 0
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