Smart Chemist II (w/o explanation)

Smart Chemist II (w/o explanation)

KG - University

20 Qs

quiz-placeholder

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Smart Chemist II (w/o explanation)

Smart Chemist II (w/o explanation)

Assessment

Quiz

Chemistry

KG - University

Medium

Created by

ET UFO

Used 13+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is chemical change?

Water turns into ice

Boiled water turns to steam

Rusting of iron

Expansion of balloon under hot conditions

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

What kind of weapon can you make from Potassium, Nickel, and Iron?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the property of gas?

Has definite size

Cannot be compressed

Has definite volume

Shape depends on container

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a SI Base Unit?

Pound (lb)

Fahrenheit (℉)

Ampere (A)

Feet (ft)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who discovered electrons?

Ernest Rutherford

GP Thomson

J.J. Thomson

Albert Einstein

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elements that have same atomic number but different nucleon number are called

isotopes

mixtures

ions

isoelectronic species

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a Redox reaction?

A reaction that undergoes oxidation and reduction simultaneously

A reaction that forms precipitate

A reaction that involves change in pH value

All of the above

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