Subject :NSO Class : Class 5
Read the given statements and select the correct option.
Statement 1: Naphthalene balls kept in woollen clothes reduce in size after sometime.
Statement 2: Solid naphthalene balls change into gas due to the warmth of woollen clothes.
ABoth statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
CStatement 1 is correct but statement 2 is incorrect.
DBoth statements 1 and 2 are incorrect.
Woolen clothes do not produce warmth, they only prevent loss of heat. Therefore, statement 2 is incorrect. Hence, the correct answer should be C.
Ans 1:
Class : Class 9
nahi
Ans 2:
Class : Class 8
WOOLLEN CLOTHES DONT HAVE WARMTH THEY CANT CHANGE TEMPRATURE BY THEMSELVES THE CORRECT ANSWER SHOULD BE C
Ans 3:
Class : Class 4
Warm clothes do not generate heat but also do not allow cool air to enter hence creating warmth for the naptholine balls
Ans 4:
Class : Class 6
Anant is right. Warm clothes do not generate heat.