Does dissolving sugar into water change the sugar's mass?
Question 7
7.
If you weigh a cup of water and a teaspoon of salt separately, then dissolve the salt into the water and weigh the solution, will the final weight be different from the initial separate weights?
Question 8
8.
When iron dissolves in hydrochloric acid, does the mass of iron decrease?
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Conservation of matter means matter can be created or destroyed whenever required.
True
False
Conservation of Matter principle indicates that the amount of matter remains constant, even if it changes form.
True
False
In any chemical reaction, the mass of the products always equals the mass of the reactants. This statement describes the Conservation of Matter.
True
False
Conservation of matter suggests that in any isolated system, matter tends to disappear over the time.
True
False
What happens to the mass of water when it freezes?
It becomes zero.
It increases.
It stays the same.
It decreases.
If you melt a block of ice, does the mass of the water change?
It becomes zero.
Yes, it increases.
No, the mass stays the same.
Yes, it decreases.
When a candle burns, the wax melts. Does this change the candle's mass?
Yes, it increases.
Yes, it decreases.
It becomes zero.
No, the mass stays the same.
Does the mass of a solid object change if it dissolves in water?