Free Printable Ponavljanje, 8r 1

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Ponavljanje, 8r 1

Total questions: 6

Worksheet time: 2mins

Name

Class

Date

1.

Reaktanti su tvari koje izlaze iz kemijske reakcije

a)

DA

b)

NE

2.

Oznaka za kruto agregacijsko stanje

a)

l

b)

g

c)

s

3.

Kemijska analiza je reakcija u kojoj nastaje složeniji spoj iz jednostavnijih

a)

DA

b)

NE

4.

Molekula vodika je

a)

H₂

b)

H

c)

2H

5.

Metan je

a)

NH₃

b)

CH₄

6.

U molekuli vode, H₂O, je

a)

1 atom vodika i 1 atom kisika

b)

1 atom vodika i 2 atoma kisika

c)

2 atoma vodika i 1 atom kisika

d)

2 atoma vodika i 2 atoma kisika

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