Home
Class 7
CHEMISTRY
Assertion (A): Fuse wire is made up of a...

Assertion (A): Fuse wire is made up of an alloy constituted of lead and tin in 1 : 1 ratio by mass.
Reason (R): Both lead and tin have comparatively lower melting points than other metals.

A

Both (A) and (R) are true and (R) is the correct reason of (A).

B

Both (A) and (R) are true but (R) is not the correct explanation of (A).

C

(A) is true but (R) is false.

D

(A) is false but (R) is true.

Text Solution

Verified by Experts

The correct Answer is:
A

Fuse wire is made up of alloy constituted of lead and tin in `1 : 1 ` ratio by mass as both lead and tin have comparatively low melting points than other metals.
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY IN DAILY LIFE

    PEARSON IIT JEE FOUNDATION|Exercise EXAMPLES|14 Videos
  • CHEMISTRY IN DAILY LIFE

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPTS (VERY SHORT ANSWER QUESTIONS) (FILL IN THE BLANKS)|10 Videos
  • CHEMISTRY IN DAILY LIFE

    PEARSON IIT JEE FOUNDATION|Exercise Assessment Test 1|15 Videos
  • ATOMIC STRUCTURE AND TRANSFORMATION OF MATTER

    PEARSON IIT JEE FOUNDATION|Exercise Assessment Test 2|15 Videos
  • CLASSIFICATION OF MATTER

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST (TEST-2)|9 Videos

Similar Questions

Explore conceptually related problems

Why is a fuse wire made of tin-lead alloy?

Assertion (A): Safety fuses are made up of material having low melting point. Reason(R): Safety fuses should be resistant to electric current.

Assertion (A): Safety fuses are made up of materials having a low melting point. Reason (R): Safety fuses should be resistant to electric current

Statement-1: Pb, Sn and Bi are purified by liquation. Statement-2: Impurities have lower meltin point than metal.

25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is in the ratio 1: 2 and the amount of lead and tin in the alloy Y is in the ratio 2:3, then what is the ratio of lead to tin in the mixture?