When a student puts an iron nail outside for 3 weeks , which is the correct reaction?
Iron+ Oxygen = Iron Oxide
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A student puts an an ice cube in a beaker and heats it until the ice melts. This is an example of:
An endothermic reaction
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A student places a magnesium ***** into a flame. They see a bright intense light and a grey ash is left behind. This is an example of:
An exothermic reaction
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In the reaction with magnesium above, heat is acting as a what?
Catalyst
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On heating copper carbonate ( a green crystal) a black powder ( copper oxide) is formed. This equation is copper carbonate’= copper oxide +carbon dioxide. This is ana example of
Thermal decomposition
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What two useful things are created by combustion?
Heat and light
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A combustion reaction is when a substance reacts with…
Oxygen
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A student measures equal
Amounts of substance A and B. They then chemically react these to form substance C and D. Which statement is true-
The mass of A+B = mass of C+D
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Other cards in this set
Card 2
Front
A student puts an an ice cube in a beaker and heats it until the ice melts. This is an example of:
Back
An endothermic reaction
Card 3
Front
A student places a magnesium ***** into a flame. They see a bright intense light and a grey ash is left behind. This is an example of:
Back
Card 4
Front
In the reaction with magnesium above, heat is acting as a what?
Back
Card 5
Front
On heating copper carbonate ( a green crystal) a black powder ( copper oxide) is formed. This equation is copper carbonate’= copper oxide +carbon dioxide. This is ana example of
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