Answer:
Test tube one is a compound because it is 2 elements combine..Test tube to is an element
Explanation:
Your question has been heard loud and clear.
Uhm , Alkalis are just bases who react with water. In titration we use water also , so we need bases that react with water , and such bases are alkalis.
Alkalis are a type of bases.
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Answer:
The law of conservation of mass states that matter can not be created or destroyed in a chemical reaction.
Explanation:
A. actinides do not occur in nature.