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SOVA2 [1]
3 years ago
15

Please help~~ thank you so much

Chemistry
1 answer:
deff fn [24]3 years ago
4 0

Answer:

c. 2 and 3

Explanation:

Ca(NO3)2 names calcium nitrate.

Ca metal, O, N - nonmetals, so Ca(NO3)2 is ionic compound.

It is solid and white.

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Hope it helps!

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3 years ago
which of the following is a physical change? 1.burning paper 2.grinding wheat 3.electrolysis of water 4.cooking rice​
azamat

Answer:

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Compare and contrast a pure substance with a mixture and give an example.
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Of any substance? What about two powders such as 1/2 cup of white flour, then mixing 1/2 cup of salt together with the flour. This would then form a more coarse mixture being that the two particles differ in shape.

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3 0
3 years ago
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