Q1. Pure substances are *
a)mixtures and compounds
b)gases and liquids
c)elements and compounds
d)mixtures and elements
Q2. An example of a compound is *
a)sodium
b)ammonia
c)calcium
d)nitrogen
Answers
Answered by
2
Explanation:
Answer of 1 is c option that is elements and compounds...
Answer of 2 is b option that is ammonia because its formula is NH3...
Answered by
0
Answer:
1d) but i have little doubt in this
2b) ammonia
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