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Year 10 Chemistry homework 14/10/2024
By Phoenix Hoyle
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Last updated 7 months ago
20 questions
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Question 1
1.
State and explain how increasing surface area affect the rate of reaction.
Your answer must include the words - particles / collisions / frequency / surface area / volume.
Question 2
2.
State and explain how increasing concentration affects the rate of reaction.
Your answer must include the words - particles / collisions / frequency / volume.
Question 3
3.
State and explain how increasing gas pressure affects the rate of reaction.
Your answer must include the words - collisions / frequency / volume.
Question 4
4.
State and explain how increasing temperature affects the rate of reaction.
Your answer must include the words - particles / collisions / frequency / speed (or kinetic energy) sucessful.
Question 5
5.
Rates of reaction -effects of changes
a
b
c
d
Question 6
6.
Rates of reaction -graph interpretation
a - this is not correct we will cover catalysts in a later lesson
b
c
d
Question 7
7.
Rates of reaction Note you need to tick
two
boxes
Reaction 1
Reaction 2
Reaction 3
Reaction 4
Question 8
8.
Group I
a
b
c
d
Question 9
9.
Group VII
a
b
c
d
Question 10
10.
Noble gases
a
b
c
d
Question 11
11.
Property of metals
a
b
c
d
Question 12
12.
The atmosphere
a
b
c
d
Question 13
13.
a
b
c
d
Question 14
14.
a
b
c
d
Question 15
15.
Periodic table
a
b
c
d
Question 16
16.
Reactivity series
a
b
c
d
Question 17
17.
What is always true for a pure substance?
A It always boils at 100 °C.
B It contains only one type of atom.
C It has a sharp melting point.
D It is solid at room temperature.
a
b
c
d
Question 18
18.
The equation represents the reaction between solid magnesium oxide and dilute hydrochloric acid to form magnesium chloride and water:
MgO + 2HCl → MgCl₂ + H₂O
Which row shows the state symbols for hydrochloric acid, magnesium chloride, and water?
HCl (aq), MgCl₂ (aq), H₂O (l)
HCl (aq), MgCl₂ (l), H₂O (l)
HCl (l), MgCl₂ (aq), H₂O (aq)
HCl (l), MgCl₂ (l), H₂O (aq)
Question 19
19.
What is the equation for the reaction between calcium and chlorine?
2Ca + Cl → Ca₂Cl
2Ca + Cl₂ → Ca₂Cl₂
Ca + Cl → CaCl
Ca + Cl₂ → CaCl₂
Question 20
20.
Calcium nitrate has the formula Ca(NO₃)₂. What is the relative formula mass, Mr, of calcium nitrate?
102
150
164
204