Of the following group which secrete and deposit calcium carbonate and appear like corals.

Of the following groups which secerte and deposit calcium carbonate and appear like corals a. Red algae b. Brown algae c. Blue green algae d. All of these

The red algae may secrete and deposite calcium carbonate and appear like corals. Common red alga is

Assertion: Red algae contribute in producing coral reef. Reason: Some red algae secrete and deposit calcium carbonate on their walls.

Assertion: Red algae contribute in producing coral reef. Reason: Some red algae secrete and deposit calcium carbonate on their walls.

Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.

Which of the following compounds does not contain calcium carbonate-

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Red algae contribute in producing coral reefs. Reason: Some red algae secrete and deposit calcium carbonate over their cell walls.

(A): Red algae contribute in producing coral reefs. ( R): Some red algae secrete and deposit calcium carbonate over their walls,

Which gas is evolved on heating calcium carbonate?