9class Elements and valencies

9class Elements and valencies

9th Grade

50 Qs

quiz-placeholder

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9class Elements and valencies

9class Elements and valencies

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

Created by

Nomula Srinivas

Used 61+ times

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50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This element is octatomic?

Nitrogen
Oxygen
Carbon
Sulphur

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The valency of sulphate ion is

2-
2+
3-
3+

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In NH4Cl, the cation is

Cl
NH₄⁺
NH₄Cl
none

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element has more number of atoms in molecule

Sulphur
calcium
Nitrogen
Carbon

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The formula of Aluminium ion is

Al⁺³
Al⁺¹
Al⁺²
Al°

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Formula of Ammonium ion is

NH₄⁺³
NH₄⁺¹
NH₄NH₄
NH₄°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The formula of Bromide ion is

Br¹⁻
Br⁺¹
Br⁺²
Br⁻²

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