chemical reactions and equations

chemical reactions and equations

10th Grade

25 Qs

quiz-placeholder

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chemical reactions and equations

chemical reactions and equations

Assessment

Quiz

Chemistry

10th Grade

Easy

Created by

Vaishnavi Prabhakar

Used 6+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

who said "Facts are not science --- as the dctionary is not literature."

Martin H. Fischer

Albert Einstein

Newton

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In chemical reaction

rearrangement of atoms takes place

atoms of element change into different element to form compound

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

magnesiumm ribbon burns with

dazzling white flame

dazzling light green flame

dazzling pink flame

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

when magnesium ribbon is burned it forms a white powder called

magnesium carbonate

magnesium oxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

magnesium ribbon before burning is cleaned by sandpaper. Why?

to remove the layer of magnesium oxide

to remove the layer of magnesium carbonate

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

we know chemical cange takes plaace when there is

change is tempeature

change in state

change in colour

formation of precipitate

evolution of gas

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

substances which take part in chemical reation are known as

reactants

products

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