Paper 1 Extra Flashcards

1
Q

What happens at the cathode?

A

Metal will be produced if it is less reactive than hydrogen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens at the anode?

A

Oxygen is produced unless halide ions are present.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Are nitrates insoluble?

A

No.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are sodium, potassium and ammonium salts?

A

Soluble.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are chlorides?

A

Mostly soluble apart from silver and lead.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are Sulfates?

A

Mostly soluble apart from lead, barium and calcium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are carbonates?

A

Mostly insoluble apart from sodium, potassium and ammonium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are hydroxides?

A

Mostly insoluble apart from sodium potassium and ammonium.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If they ask you about the test for something remember you could electrolyse it to produce the pure suspbstance and then test for it.

A

Okay.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What makes things crystalline?

A

Regular giant lattice.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How are nitrogen and oxygen obtained from the air?

A

Fractional distillation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why does oxygen have a low boiling point?

A

Weak forces of traction between the oxygen MOLECULES.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why might the theoretical yield not be met?

A

Other side reactions may occur, product/reactant lost or reaction may not be complete.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why might manufacturers find a use for the waste products?

A

To save money/improve profit or the waste product may be harmful to the environment and causes pollution so they would want to stop this.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Why might there be an anomalous piece of data when reaction magnesium oxide?

A

Not all magnesium reacted as not enough oxygen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How could you test for carbonate in calcium carbonate?

A

Add dilute hcl to produce carbon dioxide water and a Salt. Bubble the carbo dioxide through lime water and it it turns it cloudy or milky then it is present.