Chemical Reactions

Emma Wood
Quiz by Emma Wood, updated more than 1 year ago
15
1
0

Description

Year 9 Sciences Quiz on Chemical Reactions, created by Emma Wood on 07/31/2018.
Tags No tags specified

Resource summary

Question 1

Question
What does an endothermic reaction do? [blank_start]Absorbs heat[blank_end]
Answer
  • Absorbs heat

Question 2

Question
What does an exothermic reaction do? [blank_start]Releases heat[blank_end]
Answer
  • Releases heat

Question 3

Question
What is an example of an exothermic reaction? the reaction between [blank_start]acids and bases[blank_end]
Answer
  • acids and bases

Question 4

Question
What is the order of an endothermic reaction graph? Stored energy [blank_start]Reactants ^ Energy absorbed ^ products[blank_end] Time of reaction
Answer
  • reactants ^ energy absorbed ^ products

Question 5

Question
What is the order of an exothermic reaction graph? Stored energy [blank_start]reactants v energy released v products[blank_end] Time of reaction
Answer
  • reactants v energy released v products

Question 6

Question
What is an acid? [blank_start]A substance with a pH of less than 7[blank_end]
Answer
  • A substance with a pH of 1-6

Question 7

Question
What is a base? [blank_start]A substance with a pH of more than 7[blank_end]
Answer
  • A substance with a pH of 8-14

Question 8

Question
What are the examples of an acid?
Answer
  • lemon
  • vinegar
  • baking soda
  • stomach acid
  • milk
  • water
  • soap
  • caustic soda
  • banana
  • small intestine

Question 9

Question
What is an example of a base?
Answer
  • lemon
  • vinegar
  • baking soda
  • stomach acid
  • milk
  • water
  • soap
  • caustic soda
  • banana
  • small intestine

Question 10

Question
What is a biofuel? [blank_start]A fuel made from organic matter[blank_end]
Answer
  • A fuel made from organic matter

Question 11

Question
Biofuels help to reduce green house emissions
Answer
  • True
  • False

Question 12

Question
Biofuels are sometimes renewable
Answer
  • True
  • False

Question 13

Question
Biofuels help to reduce [blank_start]green house[blank_end] gases Biofuels create less [blank_start]pollution[blank_end]
Answer
  • pollution
  • green house

Question 14

Question
Biofuels need a lot of [blank_start]land[blank_end] [blank_start]Carbon dioxide[blank_end] it temporarily taken out of the air
Answer
  • Carbon dioxide
  • land

Question 15

Question
Neutralisation is [blank_start]acid[blank_end] + [blank_start]base[blank_end] >water + salt
Answer
  • acid
  • base

Question 16

Question
Metal + [blank_start]acid[blank_end] -> salt + [blank_start]hydrogen[blank_end]
Answer
  • hydrogen
  • acid

Question 17

Question
Metal + oxygen -> [blank_start]metal oxide[blank_end]
Answer
  • metal oxide

Question 18

Question
Combustion is [blank_start]Fuel[blank_end] + [blank_start]oxygen[blank_end] -> [blank_start]carbon dioxide[blank_end] + [blank_start]water[blank_end]
Answer
  • water
  • carbon dioxide
  • oxygen
  • Fuel

Question 19

Question
metal carbonate + acid -> [blank_start]salt[blank_end] + [blank_start]carbon dioxide[blank_end] + [blank_start]water[blank_end]
Answer
  • salt
  • carbon dioxide
  • water

Question 20

Question
What are the 2 types of fuels [blank_start]biofuels, alcohols[blank_end]
Answer
  • biofuels, alcohols
Show full summary Hide full summary

Suggestions

Chemical Reactions and Solutions
Adelene Somerville
AS chemistry unit 2 - reactions between functional groups
Ffion Jones
CHEMISTRY C1 2
x_clairey_x
CHEMISTRY C1 1
x_clairey_x
PHYSICS P1 1
x_clairey_x
CHEMISTRY C1 3
x_clairey_x
CHEMISTRY C1 5
x_clairey_x
BIOLOGY B1 1
x_clairey_x
CHEMISTRY C1 4
x_clairey_x
CHEMISTRY C1 6
x_clairey_x
CHEMISTRY C1 7
x_clairey_x