Download App

Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
Question
For two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Copper displaces silver from silver nitrate solution.
Reason: Copper is more reactive than silver.
✓

Answer

  1. Both A and R are true, and R is correct explanation of the assertion.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion - Reasoning [Che-1 M]" from Metals and Non-Metals→Metals and Non-Metals — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

For question two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Graphite is a good conductor of electricity.

Reason: lt has one free valence electron.
→
Two statements are given - one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and Rare true and R is the correct explanation of the Assertion.
  2. Both A and R are true but R is not the correct explanation of the Assertion.
  3. A is true but R is false.
  4. A is false but R is true.
Assertion(A): In a homologous series of alcohols, the formula for the second member is C2H5OH and the third member is C3H7OH.

Reason(R): The difference between the molecular masses of the two consecutive members of a homologous series is 144.
→
Assertion (A): When common salt is kept open, it absorbs moisture from the air.
Reason (R): Common salt contains magnesium chloride.
→
Assertion (A) : Hydrogen peroxide is kept in coloured bottles.
Reason (R) : Hydrogen peroxide is a moderately reactive metal that can react with light or heat slowly to produce water.
→
For question two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Carbon and its compounds can be used as fuels.

Reason: They are highly inflammable and have high calorific value.
→
In the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as.
  1. If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
  2. If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
  3. If Assertion is true, but Reason is false.
  4. If Assertion is false, but Reason is true.
  5. Both Assertion and Reason are false.
Assertion: When lead vessel is kept in a solution of ZnSO4, lead will remain unaffected.
Reason: Lead is more electropositive than zinc.
→
For two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Magnesium reacts with oxygen upon heating and burns brightly to form magnesium oxide.
Reason: Magnesium oxide is basic in nature.
→
For question two statements are given- one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Saturated hydrocarbons are chemically less reactive.

Reason: All the valencies of carbon atom are satisfied by single covalent bonds. 
→
For two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Food materials are often packed in air tight container.
Reason: Oxidation, resulting in rancidity, is prevented.
→
For two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
  1. Both A and R are true, and R is correct explanation of the assertion.
  2. Both A and R are true, but R is not the correct explanation of the assertion.
  3. A is true, but R is false.
  4. A is false, but R is true.
Assertion: Exposure of silver chloride to sunlight for a long duration turns gray due to the formation of silver by decomposition of silver chloride.
Reason: ln this process, sublimation of silver chloride takes place.
→