Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > Acids And Bases > Flashcards

Acids And Bases Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

What is the colour of litmus indicator when used with

  • an acidic solution
  • a neutral solution
  • a basic (alkaline) solution
A

Acidic: red
Neutral: purple
Alkaline: blue

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

What is the colour of methyl orange indicator when used with

  • an acidic solution
  • a neutral solution
  • a basic (alkaline) solution
A

Acidic: red
Neutral: yellow
Alkaline: yellow

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

Name 3 different types of indicators

A

Litmus, methyl orange, universal

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

What I a more accurate way of measuring pH

A

A pH meter

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

What is an acid?

A

A source of hydrogen ions (H+)

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

A strong acid has a ** ** of *** ions

A

High concentration of hydrogen ions

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

What are bases?

A

Substances that neutralize acids.

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

3 examples of bases?

A 
Sodium hydroxide (NaOH)
Magnesium oxide (MgO)
Ammonia (NH3)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Most * *** and **** are bases

A

Most metal oxides and hydroxides are bases

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

What is an alkali?

A

Soluble bases which dissolve in water

They are a source of hydroxide (OH-) ions

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

All ** are *** but not all *** are **

A

All alkalis are based but not all bases are alkalis

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

A strong alkali has a ** ** of ** ions

A

High concentration of hydroxide ions

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

3 examples of alkalis?

A 
Sodium hydroxide (NaOH)
Calcium hydroxide (CaOH)
Ammonia (NH3)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Acids react with metals to form ????

A

Metal salt + hydrogen

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

Acids react with bases to form ???

A

Metal salt + water

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

Acids react with carbonates to form ???

A

Metal salt + water + carbon dioxide

17
Q

Use of neutralisation?

A

Slaked line (calcium hydroxide) is put on acidic soil to neutralise it

18
Q

What is the ionic equation for the reaction between an acid and an alkali?

A

(H+) + (OH-) ➡ H2O

19
Q

Neutralisation reactions are *****thermic

A

Exothermic

20
Q

What is an exothermic reaction?

A

A reaction that releases thermal energy into its surrounding

21
Q

What is an endothermic reaction?

A

A reaction that absorbs thermal energy, therefore decreasing in temperature

Chemistry (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions