Chemical Tests Flashcards by Bethani Gourlay | Brainscape

Q

Benedicts Reagant

A

Positive result- glucose, fructose, maltose

Negative result- starch, sucrose

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Starch

A

Turns iodine blue/black

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Tollens Reagant

A

Reacts with aldehyde (silver mirror)

Does not react with ketone

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acidified Potassium Dichromate

A

Positive result- primary/secondary alcohols

Negative result- tertiary alcohols

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

If heating a compound with alkali releases ammonia

A

It is an ammonium compound

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Orange-yellow flame glowing test

A

Sodium compound

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Lilac flame test

A

Potassium compound

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

If a gas burns with a squeaky pop

A

Hydrogen present

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

If a gas turns limewater milky

A

Carbon dioxide present

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

If a gas relights a glowing splint

A

Oxygen present

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Bromine solution

A

Positive- alkenes, alkynes

Negative- alkanes, benzene

How well did you know this?

1

Not at all

2

3

4

5

Perfectly