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by BlastRoom
Practice identifying substances that go into and come out of chemical reactions.
#us_grade_7_science
20 questions
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.
In the word equation carbon dioxide + water -> glucose + oxygen, name the reactants.
For iron + oxygen -> iron oxide, which substances go into the reaction?
Vinegar + baking soda -> sodium acetate + carbon dioxide + water. What reactants are shown?
A model shows hydrogen + oxygen -> water. Which substances are on the reactant side?
In methane + oxygen -> carbon dioxide + water, what goes into the reaction?
For copper + sulfur -> copper sulfide, identify the reactants.
Nitrogen + hydrogen -> ammonia is a word equation. What substances are reactants?
Magnesium ribbon burns in air, combining with oxygen. When the flame goes out, a white powder of magnesium oxide is left. What is the product?
A test tube starts with hydrogen peroxide. After it breaks down, the tube holds water and bubbles of oxygen gas. What are the products?
Zinc pieces are dropped into hydrochloric acid. As the zinc fizzes, hydrogen gas bubbles off and zinc chloride builds up in the liquid. Name the products.
Silver nitrate solution is poured into sodium chloride solution. Afterward, the tube holds solid silver chloride in sodium nitrate solution. What are the products?
Carbon dioxide gas is bubbled through clear calcium hydroxide solution. Afterward, the flask holds milky solid calcium carbonate and water. What are the products?
Propane burns in oxygen. Afterward, carbon dioxide and water vapor rise from the flame. What are the products?
A tablet containing citric acid and sodium bicarbonate is dropped in water. Afterward, the glass holds sodium citrate, more water, and bubbles of carbon dioxide. What are the products?
In 2H2 + O2 -> 2H2O, what role does H2O have?
For CH4 + 2O2 -> CO2 + 2H2O, what does the left side of the arrow show?
In CaCO3 -> CaO + CO2, what do CaO and CO2 represent?
In a chemical reaction, how do the atoms in the products compare with the atoms in the reactants?
In N2 + 3H2 -> 2NH3, what role do N2 and H2 have?
A student writes reactants -> products for a reaction model. What does the arrow mean?
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.
Synthetic Materials from Natural Resources
20 questions
