Free Printable zandra

Worksheets

zandra

Total questions: 20

Worksheet time: 10mins

Name

Class

Date

List the 4 signs of a CHEMICAL CHANGE. --- CHOOSE 4.

Shape

New substance

Bubbles

Color change

Different temperature

Choose all of the signs of a PHYSICAL CHANGE. ----- CHOOSE 4.

shape

size

color

state of matter

solubility (dissolving)

Is this true?

Yes

Maybe

Never

I live

(a)

Ferric

Fe³⁺

Fe⁴⁺

Fe^3-

Fe²⁺

Iodine

I¹⁺

Io^1-

I^1-

Io¹⁺

Chromate

2CrO^2-

CrO^2-

CrO₄^2-

CrO₄^3-

Ferrous

Fe^3-

Fe^2-

Fe³⁺

Fe²⁺

Biphosphate

H₂PO^2-

HPO₄^2-

2HPO₂^2-

HPO₂^3-

10.

What is laughing gas ?

Nitrous Oxide

Carbon monoxide

Sulphur dioxide

Hydrogen peroxide

11.

Hydroxide

OH^-

OH⁺

O₂H^-

2OH⁺

12.

Manganous

Mn3-

Mn^2-

Mn³⁺

Mn²⁺

13.

Nitrate

NO₃^1-

NO₃¹⁺

NO₃^3-

NO₃³⁺

14.

Oxalate

C₂O₄^2-

2CO₂²⁺

2CO₂^2-

C₂O₄²⁺

15.

кислород в лаборатории получают

разложение кислород содержащих веществ

электролиз воды

фотосинтеза

16.

Carbonate

CO₂³⁺

CO₃²⁺

CO₃^2-

CO₂^3-

17.

Thiocyanate

CNS^1-

CNS^2-

CN₂S₃^1-

CN₂S₂^1-

18.

Chloride

C^1-

C^2-

C²⁺

C¹⁺

19.

оксид серы (VI) взаимодействует со всеми веществами ряда

NaOH, CaO, HCl

N2, KOH, H2S

Ba(OH)2, Na2O, H2O

H2S, CaO, LiaCl

20.

Auric

Au²⁺

Au³⁺

Au⁴⁺

Au^3-

Reset

zandra

Total questions: 20

Worksheet time: 10mins

Similar Resources on Wayground