MATERIALS : English - Chemestry

MATERIALS : English - Chemestry

9th Grade

9 Qs

quiz-placeholder

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MATERIALS : English - Chemestry

MATERIALS : English - Chemestry

Assessment

Quiz

Chemistry

9th Grade

Medium

Created by

Inta Zorge

Used 2+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dots ķīmiskās reakcijas vienādojums: 2Fe2O3 + 3CO → 4Fe + 3CO2

CO šajā reakcijā ir:

 izejviela

produkts

reducētājs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The first bicycles had wheels made of

wood iron tyres

iron with rubber tyres

iron with wooden tyres

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dots ķīmiskās reakcijas vienādojums: 2Fe2O3 + 3CO → 4Fe + 3CO2

Fe2O3 ir šī procesa:

izejviela

produkts

reducētājs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these metals is the hardest?

aluminium

steel

gold

iron

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dots ķīmiskās reakcijas vienādojums: 2Fe2O3 + 3CO → 4Fe + 3CO2

Fe ir šī procesa:

izejviela

produkts

reducētājs

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dots ķīmiskās reakcijas vienādojums: 2Fe2O3 + 3CO → 4Fe + 3CO2

Dzelzs iegūšanas reakcija no dzelzs rūdas ir

       reducēšanās process

oksidēšanās process

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these materials did the Ancient Romans not have?

paper

concrete

glass

ceramic

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The earliest use of nylon was in

parachutes

guitar strings

toothbrushes

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the haviest?

aluminium

gold

iron