Paper 2 core practical's

Question 1

What is the first core practical of paper 2?

Answer 1

Investigating rates of reaction-gas

Question 2

What is used to gibe of carbon dioxide in Investigating rates of reaction-gas?

Answer 2

Hydrochloric acid and marble chips.

Question 3

What apparatus is used for Investigating rates of reaction-gas?

Answer 3

Question 4

What effect foes changing the particle size have on the marble chips in Investigating rates of reaction-gas

Answer 4

Question 5

What effect does changing the concentration of acid have in Investigating rates of reaction-gas

Answer 5

Question 6

What is the second core practical of paper 2?

Answer 6

Investigation rates of reaction-precipitation

Question 7

What do you change in Investigation rates of reaction-precipitation

Answer 7

The temperature.

Question 8

What do you do in Investigation rates of reaction-precipitation

Answer 8

Draw a cross on white paper and put it under a conical flask

Question 9

What reacts in Investigation rates of reaction-precipitation?

Answer 9

Dilute HCL and sodium thiosulfate solution.

Question 10

Explain the effect of changing temp in Investigation rates of reaction-precipitation?

Answer 10