Language of Chemistry

Language of Chemistry

9th Grade

12 Qs

quiz-placeholder

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Language of Chemistry

Language of Chemistry

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

NGSS
HS-PS1-7, HS-PS1-2, HS-PS1-1

Standards-aligned

Created by

Shobha Vaidyanathan

Used 219+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

The valency of sulphate ion is

1

2

-1

-2

2.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

Aluminium is an element in the periodic table that always exists as a diatomic molecule

True

False

I dont know

will let you know

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Balance the following equation: C3H8 + O2 --> CO2+ H2O

1,2,3,4

1,3,5,4

1,5,3,4

1,4,5.3

4.

FILL IN THE BLANK QUESTION

1 min • 5 pts

valency of lead in plumbous oxide is _________

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

As per the rules for naming a compound, a compound ending with "ite" will contain __________ oxygen atoms

1

2

3

4

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The prefix "hypo" is added to the name of a compound if it has 1 oxygen less than the compounds ending in ----------

ite

ate

thio

per

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

variable valency is exhibited by the following atoms

copper, iron, sodium, magnesium, lead, zinc

copper, iron, lead, tin, mercury, arsenic

copper, iron, lead, tin, sodium, magnesium

copper, iron, tin, sodium, aluminium

Tags

NGSS.HS-PS1-2

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