carlenejacob5363 carlenejacob5363

29-04-2024
Chemistry

Answered

Assertion: when calcium carbonate is heated.it decomposes to give calcium oxide and carbon dioxide
reason: the decomposition reaction takes place on application of heat . therefore it is an endothermic reaction

A)Both A and R are true, and R is the correct explanation for A.

B)Both A and R are true, and R is not the correct explanation for A.

C) A is true but R is false.

D) A is false but R is true.

Answer :

Other Questions

What is the slope of the line that passes through (4,3) and (3,-2)?

Which was not a source of weakness in the U.S. economy during Herbert Hoover's presidency? A. monopolies engaged in unfair business practices B. government prog

one number is bigger than other number by 3 and the sum of these two number is 43

_____ is the broad concept that refers to the right and ability of a nation to govern itself and make decisions regarding its citizens. Select the best answer c

How many molecules of eukaryotic DNA make up a chromosome in humans?

what is a volcano that is erupting or has erupted in the last 100 years called?

the distinction between protostomes and deuterostomes is based on

A seismograph records the arrivals of a P-wave at 11:13 am. If the earthquake occurred 4,000 km from the recording station, when did the earthquake occur A. 11:

0.4(2x+1/2)=3[0.2x+(-2)]-4

Which animal uses its skin for respiration? A. pelican B. lion C. toad D. mackerel