Grade 7 · Chemistry
This quiz helps revise “Water” in Chemistry for grade 7. It has 25 questions in five categories: Inside Water, States of Water, Water as Solvent, Separate It, Water's Properties. Questions get harder as the points go up, from 100 to 500.
The 100- and 200-point questions are open here. The rest show only their first words, and there are no answers: all of that is in the game itself.
What is the chemical formula for water?
What is the smallest particle of water that keeps its chemical composition?
Water contains atoms of…
In the gameHydrogen has relative atomic…
In the gameWhat percentage of water's…
In the gameWhat is the solid form of water called?
What is water called in its gaseous state?
Snow warms and becomes…
In the gameDroplets form on the…
In the gameWhy does a piece…
In the game
Sugar dissolves in water. What role does the water play in this mixture?
What do we call the sugar after it has dissolved in water?
Sugar mixes completely with…
In the gameOil forms a separate…
In the gameYou mix 10 grams…
In the game
A jar of sandy water is left undisturbed; the sand sinks to the bottom. What is the pictured separation method?
A sand and water mixture passes through paper in a funnel. What is the pictured method called?
A salt solution is…
In the gameA drop of water-soluble…
In the gameSalt water is heated…
In the gameWhat colour is pure water in a thin layer?
At what Celsius temperature does pure water freeze at ordinary pressure?
At what Celsius temperature…
In the gameWhat property of water's…
In the gameAt what Celsius temperature…
In the gameAll 25 questions and the answers are in the game. Invite your class or friends with a link — guests need no account.
