
MATERIALS : English - Chemestry

Quiz
•
Chemistry
•
9th Grade
•
Medium
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
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