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Chemical reactions: precipitation

Authored by Jay Mathyi

Science

8th Grade

Used 1+ times

Chemical reactions: precipitation
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a precipitate? Tick 1 correct answer

A substance that dissolves in water.

A gas produced in a chemical reaction.

A liquid that evaporates quickly.

An insoluble solid formed when two solutions react together.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are precipitation reactions used in qualitative analysis?

To measure the quantity of a substance.

To confirm the presence of a substance.

To increase the temperature of a solution.

To dissolve solids in a solution.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A substance that will not dissolve in a particular solvent is described as _________________.

insoluble

soluble

miscible

volatile

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term describes a chemical test that confirms the presence of a substance without measuring its quantity?

Quantitative analysis

Spectroscopic analysis

Qualitative analysis

Precipitation analysis

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An ________________ solution is formed when a substance is dissolved in water. Fill in the blank

aqueous

solid

gaseous

colloidal

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A precipitate is an insoluble ________________ in a solution. Fill in the blank

solid

liquid

gas

solute

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a precipitation reaction in chemistry?

A reaction where soluble solutions form an insoluble product

A reaction where gases are formed from liquids

A reaction where solids dissolve into liquids

A reaction where liquids evaporate into gases

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