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Q 1/30
Score 0
What name is given to a reaction which transfers energy from the surroundings?
60
endothermic
exothermic
Q 2/30
Score 0
What is the term used to describe the minimum amount of energy required before a collision will result in a reaction?
60
bond energy
activation energy
reaction energy
input energy
30 questions
Q.
What name is given to a reaction which transfers energy from the surroundings?
1
60 sec
Q.
What is the term used to describe the minimum amount of energy required before a collision will result in a reaction?
2
60 sec
Q.
What term is used to describe the energy required to break a bond or the energy released when a bond is formed?
3
60 sec
Q.
What is the rate of a reaction?
4
60 sec
Q.
Increasing the temperature of a reaction leads to more successful collisions. Which of these points do NOT explain why this happens?
5
60 sec
Q.
How do catalysts increase the rate of a reaction?
6
60 sec
Q.
What term is used to describe the point in a reversible reaction when the rate of the forward and reverse reactions are the same?
7
60 sec
Q.
Complete Le ChĂątelierâs principle: The position of equilibrium will shift to oppose _________
8
60 sec
Q.
What is the effect of increasing pressure on a reaction at dynamic equilibrium?
9
60 sec
Q.
What is the effect of decreasing temperature on a reaction at dynamic equilibrium?
10
60 sec
Q.
What are the first four alkanes?
11
60 sec
Q.
12
60 sec
Q.
What term is used to describe the breaking down of a long chain hydrocarbon into smaller molecules?
13
60 sec
Q.
What name is given to hydrocarbons with a carbon=carbon double bond?
14
60 sec
Q.
What are alkenes used for?
15
60 sec
Q.
What term used to describe a mixture designed for a specific purpose?
16
60 sec
Q.
17
60 sec
Q.
What is the test for carbon dioxide?
18
60 sec
Q.
What is the test for chlorine?
19
60 sec
Q.
What was the impact of life appearing on Earth on the oxygen in the early atmosphere?
20
60 sec
Q.
Complete current composition of the atmosphere: approximately 80% ____1____, 20% ___2___, and trace amounts of other gases such as _____3_____, water vapour, and noble gases
21
60 sec
Q.
What type of radiation do greenhouse gases absorb?
22
60 sec
Q.
What term is used to describe the change in long-term weather patterns across the planet?
23
60 sec
Q.
Which of these things is NOT a direct danger associated with carbon monoxide gas?
24
60 sec
Q.
How are atmospheric particulates formed?
25
60 sec
Q.
Which of these things is something we do not directly use the Earthâs resources for?
26
60 sec
Q.
Which of these is NOT an examples of a natural resource?
27
60 sec
Q.
In the UK, how is potable water extracted from fresh water?
28
60 sec
Q.
Desalination can be done by reverse osmosis. How else can desalination be carried out?
