A substance that speeds up a reaction, without itself being used up.
8Ga/8Gb Building Up and Corrosion

Quiz
•
Biology
•
6th - 8th Grade
•
Medium
Natasha Chisholm
Used 6+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reactivity series
Acid
Chemical property
Catalyst
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When something, such as stone or metal, reacts with chemicals in the air or water and gets worn away.
Salt
Metal
Rusting
Corrosion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a symbol equation?
A description of how a material behaves and responds to forces and energy. Hardness is a physical property.
A material made up of two or more substances. It has significantly different properties from the substances from which it is made.
A list of metals that shows them in order of their
reactivity, with the most reactive at the top.
A way of writing out what happens in a chemical reaction using symbols to represent the substances involved.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a metal?
Something that does not fit a pattern. When talking about water, this means that water does not behave in the same way as other liquids when it freezes.
Any element that is shiny when polished, conducts heat and electricity well, is malleable and flexible and often has a high melting point.
Compound (other than water or hydrogen) formed during the neutralisation of an acid with a base (or the reaction of a metal with an acid).
Any element that is not shiny, and does not conduct heat and electricity well.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A combination of symbols and numbers that shows how many atoms of different kinds are in a particular molecule. In compounds that do not form molecules, it shows the ratio of elements in the compound.
Symbol equation
Acid
Formula (chemical)
Range
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A weak, brown, crumbly solid formed when iron
corrodes. (A mixture of oxides and hydroxides of iron including iron hydroxide.)
Corrosion
Halogen
Boiling
Rust
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a word equation?
An equation in which the names of the reactant(s) are written on the left side, there is an arrow pointing from left to right and the names of the product(s) are written on the right side.
Two or more substances jumbled together but not joined to each other. The substances in mixtures can often be separated from each other.
A way of writing out what happens in a chemical reaction using symbols to represent the substances involved.
Results that are similar when repeated by the same experimenter.
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