Chemistry Flashcards

1
Q

What does Malleable mean?

A

Can be beaten into shape

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

What does ductile mean?

A

Can be drawn into wires

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

What does sonorous mean?

A

Makes sound a sound when hit

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

What does Lustrous mean?

A

Shiny when cut

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

What does acids release in solution?

A

H+ ions

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

What does bases release in solutions?

A

OH- ions

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

What does MASH stand for?

A

Metals react with Acids to make a salt and hydrogen gas

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

What does BASH stand for?

A

Base plus Acid gives a salt plus H2O (neutralisation)

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

What does MOMO stand for?

A

Metal burns in air (O2) to give oxides (Metal + O2 gives a Metal Oxide)

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

What does CASHCO stand for?

A

Carbonate plus Acid gives a salt plus H2O and CO2

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

What colour does acid go in universal indicator?

A

It turns red, orange ,yellow

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

What colour does a neutral go in Universal Indicator?

A

It turns green

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

What colour does a base turn in Universal Indicator

A

It turns blue or purple

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

What colour does blue litmus paper turn in a acid?

A

It turns red

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

What colour does blue litmus paper turn in a base?

A

It stays blue

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

What colour does blue litmus paper turn in a neutral solution?

A

It stays blue

17
Q

What colour does red litmus paper turn in a acid?

A

It stays red

18
Q

What colour does red litmus paper turn in a base?

A

It turns blue

19
Q

What colour does red litmus paper turn in a neutral solution?

A

It stays red

20
Q

What happens when hydrogen gas is put by a flame?

A

It reacts and makes a pop sound

21
Q

What does lime water turn when testing for carbon dioxide?

A

It turns from clear to cloudy when bubbles appear

22
Q

Why are copper and aluminium used for electrical wires?

A

They conduct electricity and are ductile

23
Q

Why is lead used for sinkers?

A

Lead has a high density also because it is malleable

24
Q

Why is gold used for jewellery?

A

Gold is lustrous and malleable

25
What does anion mean?
Anion means the ion is negatively charged
26
What does cation mean?
Cation means that the ion is positively charged
27
What is a chemical change?
A new substance is formed and is not reversible
28
What is a physical change?
No new substance is formed and is revesable