Download App

Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : Bromine cannot displace chlorine from its salt solution.
Reason : Chlorine is more reactive than bromine.
  • ✓
    Both $A$ and $R$ are true, and $R$ is correct explanation of the assertion.
  • B
    Both $A$ and $R$ are true, but $R$ is not the correct explanation of the assertion.
  • C
    $A$ is true, but $R$ is false.
  • D
    $A$ is false, but $R$ is true.
✓

Answer

Correct option: A.
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 (1 Marks)" 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

The following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as.
Assertion Diamond does not conduct electricity.
Reason Diamond has high refractive index.
→
The following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as.
Assertion Alcohol cannot be used as an additive in petrol.
Reason Alcohol give rise to $CO$ and $H_2O$ when burnt in sufficient air.
→
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : The connecting wires are made of copper.
Reason : The electrical conductivity of copper is high.
→
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : Alkali metals do not form dipositive ions.
Reason : After loss of one electron, alkali metals achieve stable configuration of noble gas.
→
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : The coil of a heater is cut into two equal halves and only one of them is used into heater. The heater will now require half the time to produce the same amount of heat.
Reason : The heat produced is directly proportional to square of current.
→
In the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as.
Assertion : $2\text{Na}+\text{H}_2\rightarrow2\text{NaH}$
In the above chemical equal, sodium is getting oxidised and $H_2$ is getting reduced.
Reason : The chemical reaction in which oxidation and reduction take place simultaneously, are called redox reactions.
→
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : $\ce{Li}$ and $\ce{Mg}$ are elements of second period.
Reason : Both are metals.
→
In the following questions, a statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as.
Assertion : The $\ce{pH}$ of sodium chloride solution is seven.
Reason : Salt of strong acid and a strong base are acidic in nature.
→
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : When a charged particle moves perpendicular to magnetic field then its kinetic energy and momentum gets affected.
Reason : Force does not change velocity of charged particle.
→
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 $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : Decomposers help in recycling of nutrients between living and non $-$ living components of ecosystem.
Reason : Decomposers help in decomposing dead bodies of organisms and return various nutrient elements to their source viz soil, water and air.
→