When a mineral was heated in a bunsen flame to constant mass, a colourless gas that turned lime water milky was evolved. the remaining solid was cooled and then added to aqueous hydrochloric acid. vigorous effervescence was seen.

what was the mineral?

a aragonite, caco3

b artinite, mgco3.mg(oh)2.3h2o

c barytocalcite, baco3.caco3

d dolomite, caco3.mgco3

Which of the following is an example of a parasite?

Why is carbon ideal for making different compounds?

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.