Question

Carbon-di-oxide can be prepared by either sodium hydrogen carbonate is heated
strongly or sodium hydrogen carbonate is treated with HCl. The composition of
carbon-di-oxide obtained by both the methods remains same. Which law is
proved by this example.
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Answer 1

Answer:

Malaria is caused by protozoa of the genus Plasmodium. Four species cause disease in humans: P falciparum, P vivax, P ovale and P malariae. Other species of plasmodia infect reptiles, birds and other mammals. Malaria is spread to humans by the bite of female mosquitoes of the genus Anopheles.

Answer 2

Answer:

Carbon-di-oxide can be prepared by either sodium hydrogen carbonate is heated strongly or sodium hydrogen carbonate is treated with HCl. The composition of carbon-di-oxide obtained by both the methods remains same.