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8 кл

Authored by Назерке Капарова

Chemistry

1st - 9th Grade

Used 9+ times

8 кл
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11 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Strong acid

H2SO4

CO2

H2S

H2O

H3PO4

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Triprotic acid

HCl

H2S

Ca3P2

H3PO4

H2CO3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which one of the fruits is the most acidic

Apple

Strawberry

lemon

banana

cherry

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Base + Acid =?

Oxides

Neutral oxides

Acid

Salt

Gas

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Insoluble bases

NaOH

KOH

Mg(OH)2

LiOH

Ba(OH)2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate molar mass of Ca(OH)2

40

56

74

73

78

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The type of this reaction

Single displacement

Double displacement

Combination

Decomposition

Combustion

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