Question

Fill in the blanks.
1. Chemistry is the science of ...... and their ...... . (substances/transformations/gases)
2. Anything that occupies ....... and has ...... is matter. (mass/space/colour)
3. A substance does not change in a ...... change. (physical/chemical)
4. A substance changes in a ...... change. (physical/chemical)
5. Alchemists could not change ...... metals into gold. (base/costly/soft)
6. Mendeleev ...... the elements. (discovered/classified)​

Answer 1

Answer:

substance, transformation

space, mass

physical

chemical

base

discovered

Explanation:

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Answer 2

Answer:

1.substances and their transformations.

2.space and has mass

3.physical

4.chemical

5.Base

6.Classified