Charli Coop
Quiz by , created more than 1 year ago

NB: The following questions are about the reaction between Magnesium and Hydrochloric acid in a test tube

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Charli Coop
Created by Charli Coop almost 9 years ago
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Acids and Bases

Acids and Bases

Question 1 of 11

1

What color is pH 7?

Select one of the following:

  • Green

  • Blue

  • Red

Explanation

Question 2 of 11

1

What is the name of the gas produced in the test tube?

Select one of the following:

  • Carbon Dioxide

  • Oxygen

  • Hydrogen

  • Sulphur Dioxide

Explanation

Question 3 of 11

1

What must happen between the acid and metal particles if they react?

Select one of the following:

  • They must get close to each other

  • They need to swap electrons

  • They need to collide

  • They need to avoid each other

Explanation

Question 4 of 11

1

What will increase the rate of the reaction?

Select one of the following:

  • Decreasing the temprature

  • Increasing the volume of acid

  • Increasing the concentration of the acid

  • Decreasing the concentration of the acid

Explanation

Question 5 of 11

1

What would you observe if the reaction time decreased?

Select one of the following:

  • More bubbles per minute

  • Less bubbles per minute

  • The solution would change colour

  • Everything would stay the same

Explanation

Question 6 of 11

1

Increasing the temperature would increase the rate of the reaction because...

Select one of the following:

  • It would increase the amount of acid particles

  • It would increase the amount of magnesium particles

  • It would increase the Kinetic energy of the acid particles and so they move faster

  • It would decrease the frequency of collision

Explanation

Question 7 of 11

1

What is the name of the salt produced in the reaction

Select one of the following:

  • Magnesium Sulphate

  • Magnesium Chloride

  • Magnesium Nitrate

  • Calcium Chloride

Explanation

Question 8 of 11

1

What would be the effect cutting up the Magnesium into smaller pieces?

Select one of the following:

  • Reaction rate would increase

  • Reaction rate would decrease

  • Reaction rate would stay the same

  • Reaction would stop

Explanation

Question 9 of 11

1

1g of magnesium was placed in 10 mL of acid. The total amount of hydrogen produced was measured. The experiment was then repeated with 1g of magnesium cut into smaller pieces. What was the total effect on the total hydrogen produced?

Select one of the following:

  • It increased

  • It decreased

  • It stayed the same

  • None was produced

Explanation

Question 10 of 11

1

What is it meant by frequency of collisions?

Select one of the following:

  • The number of collisions

  • The number of collisions per mL

  • The number of collisions per second

  • The total number of collisions

Explanation

Question 11 of 11

1

A fire is started using small pieces of wood (kindling) because

Select one of the following:

  • It is lighter to carry

  • The wood has a larger surface area and so burns more quickly

  • The wood will be drier

  • The wood is more concentrated

Explanation

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