Loading
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
What does concentrated mean?
What does dilute mean?
What does soluble mean?
What does insoluble mean?
What is a saturated solution?
What is solubility?
What is a solute?
What is a solvent?
Water is the only solvent.
An insoluble substance cannot dissolve in any solvent.
A saturated solution can dissolve unlimited extra solute at the same temperature.
For most solid solutes, solubility in water increases as temperature rises.
A colourless salt solution must be dilute.
Measuring solute mass is more reliable than counting unequal spatulafuls.
A concentrated solution is always saturated.
17. In sugar water, sugar is the:
18. In salt water, water is the:
Equal volumes contain 5 g and 15 g of the same dissolved solute. Which is more concentrated?
To compare solubility fairly, use:
No more sugar dissolves after sufficient stirring at a fixed temperature. The solution is:
A substance dissolves in oil but not water. Is it soluble in water?
A solid has a solubility of 20 g per 100 g water. How much dissolves in 200 g water at the same temperature?
Which makes a solution more concentrated without changing its total volume?
Which is the best unit for solubility in this review?
A solute has a solubility of 30 g per 100 g water. What is the maximum in 50 g water at the same temperature?
What should stay the same when comparing two solids' solubility?
Which statement about nail polish is correct?
Two equal volumes contain the same food dye. Which is usually more concentrated?
Heating increases the solubility of a particular solid from 20 g to 35 g per 100 g water. How much extra can dissolve?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
