Making changes

This is a product of the science department of Dartford

Technology College

Question 1

• Which food substance contains only the elements carbon, hydrogen and oxygen?

• Protein

• Fatty acids

• Carbohydrates

• Lipids

Question 2

• Caustic soda is the common name for which alkaline chemical?

• Sodium Hydroxide

• Potassium Hydroxide

• Lithium Hydroxide

• Calcium Hydroxide

Question 3

• What do we call the reaction in which water has been removed from a substance?

• Hydration

• Dehydration

• Rehydration

• Neutralisation

Question 4

• What do we call a compound of a metal found naturally in a rock?

• Oar

• Awe

• Ore

• Or

Question 5

• Give a term for the burning of a fuel?

• Evaporation

• Distillation

• Condensation

• Combustion

Question 6

• A list of metals or non-metals in order of their ability to react?

• Reactivity Series

• Order of Reaction

• Hierarchy of reaction

• Reaction list

Question 7

• What do we call the insoluble solid found at the bottom of a test tube after some chemical reactions?

• Soluble

• Precipitate

• Waste

• Gel

Question 8

• What type of reaction is it when a substance has oxygen remove from it?

• Reduction

• Residue

• Reflux

• Resin

Question 9

• Which of the following is produced in a neutralisation reaction?

• Acid

• Alkali

• Salt

• Carbon

Question 10

• What do we call a weak acid found in oranges and lemons?

• Formic acid

• Ethanoic acid

• Citric acid

• Fructose

Question 11

• What do we call a particle made from atoms joined together by chemical bonds?

• Atom

• Molecule

• Neutron

• Proton

Question 12

• What type of reaction causes a substance to be broken down by heat energy?

• Oxidation

• Reduction

• Displacement

• Thermal Decomposition

Question 13

• What device can we use to collect gases in a laboratory?

• Hoover

• Beaker

• Gas syringe

• Air pump

Question 14

• A reaction where water is added to a substance is called?

• Watering

• Moisturising

• Dampen

• Hydration

Question 15

• When you add more of a substance to make sure the reaction has gone to completion?

• Sufficient

• Excess

• Insufficient

• Inadequate

Question 16

• A substance that does not dissolve is said to be?

• Insatiable

• Insoluble

• Insolvable

• Insolent

Question 17

• The rocky outer layer of the Earth is called?

• The Mantle

• The Core

• The Ground

• The Crust

Question 18

• If we are able to burn a substance it is called?

• Inflammable

• Flammable

• Flame resistant

• Flame Accelerant

Question 19

• The starting substance for the manufacture of a particular chemical is called?

• First material

• Beginning product

• First product

• Starting material

Question 20

• A method of collecting dense gases in a container?

• Downward delivery

• Upward delivery

• Horizontal delivery

• Glass delivery

Congratulations

• You have finally beaten the 20 question challenge on . Well done keep playing it’s the easiest way to learn.

• If you wish to repeat the challenge click below.

Oh dear

• If you wish to try again click the button below.