Edit Game
Chemistry unit - Yea 10
 Delete

Use commas to add multiple tags

 Private  Unlisted  Public



 Save

Delimiter between question and answer:

Tips:

  • No column headers.
  • Each line maps to a question.
  • If the delimiter is used in a question, the question should be surrounded by double quotes: "My, question","My, answer"
  • The first answer in the multiple choice question must be the correct answer.

 Import questions





 Save   31  Close
What elements are present in NaCl?
sodium and chlorine
What is formed when an acid reacts with a base?
salt and water
What colour does universal indicator turn in an acid?
red / orange / yellow
Name one laboratory acid
(e.g. hydrochloric acid / sulphuric acid / nitric acid)
What gas is produced when an acid reacts with a metal?
hydrogen
In a faster reaction, do particles collide more or less often?
more often
Why does crushing a solid increase reaction rate?
increases surface area
Name one factor that increases the rate of reaction.
(temperature / concentration / surface area / catalyst)
Give one sign that a chemical reaction has occurred
e.g colour change / gas produced / temperature change
A solid is heated and turns into a liquid, but no new substance forms. What type of change?
Physical change
A student mixes vinegar and baking soda and sees bubbles. What type of change is this?
Chemical reaction (gas produced)
Why does higher temperature increase rate?
Particles have more energy and collide more
Name one way to speed up a reaction
Increase temperature / surface area / concentration
What is gas → liquid called?
Condensation
What is liquid → gas called?
Evaporation / boiling
What happens to particles when heated?
They move faster
Which state has particles moving fastest?
Gas
Which state has particles tightly packed in a fixed pattern?
Solid
What does it mean to balance an equation?
Same number of atoms on each side
What are products in a chemical reaction?
Substances formed
What are reactants?
Starting substances
What colour does red litmus turn in a base?
Blue
What ion makes acids acidic?
Hydrogen ions (H⁺)
What pH is neutral?
7
Can compounds be separated physically?
No (need a chemical reaction)
Give an example of a mixture
Air / saltwater
What is a mixture?
Two or more substances physically mixed
What is a pure substance?
Only one type of particle present
What is a molecule?
Two or more atoms bonded together
What is a compound?
Two or more elements chemically combined
What is an element?
A substance made of one type of atom
Your experience on this site will be improved by allowing cookies.