ағылшын(51-100)

ағылшын(51-100)

University

50 Qs

quiz-placeholder

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ағылшын(51-100)

ағылшын(51-100)

Assessment

Quiz

Others

University

Hard

Created by

m2bp7y2pgj apple_user

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many lanthanides is available in D.I. Mendeleyev’stable?

15

14

104

85

22

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Specify a unit of measure of quantity of substance

mole

kg

g

g/mole

mole /l

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms three nitrogen molecules

6

4

2

3

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the molar weight of hydroxide of ammonium

35

29

30

15

28

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Specify the formula of nitrate of ammonium

NH4NO3

NH3OH

NH4NO2

NH3

NH4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Finish the equation and specify substance – х:  Ba(OH)2 + H2SO4x +H2O

BaSO4

BaSO3

BaS

Ba2SO4

Ba(SO4)2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Specify amphoterous hydroxides

Al(OH)3;Zn(OH)2

Cu(OH)2;NaOH

NaOH;KOH

Cu(OH)2;Ba(OH)2

Ba(OH)2;Mn(OH)2

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