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True or False Quiz
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1

Water containing large amounts of Mg2+ and Ca2+ ions is said to be hard because it is hard to make soap lather in the water.
A)True
B)False
2

The solubility of a gas in water decreases as the water temperature increases.
A)True
B)False
3

Cooks add a pinch of salt to water since it is known that a salt solution boils at a higher temperature.
A)True
B)False
4

The presence of solute molecules makes a solution freeze at a lower temperature than the pure solvent.
A)True
B)False
5

Litmus turns blue in basic solutions.
A)True
B)False
6

A strong acid is a concentrated solution of the acid.
A)True
B)False





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