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Practice quiz

Authored by Ram Timalsina

Physics, Chemistry, Biology

9th Grade

Used 6+ times

Practice quiz
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Metals are usually hard except

Sodium

Lithium

Both of them

All metals are hard and there is no exception

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Temperature and atmospheric pressure required for hydrogenation is:

-250oC and 6 atm

250oC and 8 to 10 atm

-259oC and 8 atm

-250oC and 8-10 atm

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which gas(es) is required to produce ammonia?

H2

N2

Both H2 and N2

O2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Atomic number of sulfur is:

16

17

15

18

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molecular formula of Magnesium carbonate is:

MgCO3

Mg2CO3

MgCO2

Mg(CO3)2

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