Question

True or False

1. Table salt is an example of a pure substance. 2. The boiling point of a pure substance will increase when the temperature of the environment decreases.
3. Ethyl alcohol turn into gas when temperature reaches 78.5°C so temperature will increase and the boiling point will Stay the same.
4. The boiling point of a pure substance is changing.
5. An ethanol is an example of a pure substance.
6. Salt solution will boil at a constant temperature.
7. Seawater will boil at a changing temperature? 8. Matter consist of two or more substances physically combine in any proportion by mass. 9. Pure substance is a material with different composition.
10. Boiling point is where the temperature at which the pressure of a liquid is equal to the pressure of the surrounding atmosphere.

PLS!!!pa answer po ng maayos,wag pilosopo​

Answer 1

Answer:

this is your answer

1. true

2. true

3. false

4. false

5. true

6.true

7. false

8. true

9. true

10. true

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