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Review Day I

Authored by Manish Bhardwaj

Chemistry

9th - 12th Grade

NGSS covered

Used 8+ times

Review Day I
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35 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the density of a bar of Gold that has mass 125 g and has volume of 50 cm3. ( density = mass/ volume)

6250 g/cm3

125 g/cm3

2.5 g/cm3

0.4 g/cm3

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the density of a cube that has mass 25 g and each side of it measures 2 cm.

0.32 g/cm3

200 g/cm3

3.125 g/cm3

2.30 g/cm3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

pH of a substance A is 12.5, Substance A is a __________

Strong Acid

Strong Base

Salt

Liquid

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the mass of one mole ( MOLAR MASS ) of Cobalt?

103 g.mol

27 g/mol

59 g/mol

190 g/mol

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the mass of one mole ( MOLAR MASS ) of Boron?

5 g/mol

10.8 g/mol

31 g/mol

12 g/mol

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the # of atoms in 20 g of Calcium?

3.00 X 10 23

6.02 x 10 23

2.55 x 10 23

9 x 10 23

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the # of atoms in 18 g of Beryllium?

3.01 x 1023

6.02 x 1023

12.04 x 1023

9.03 x 1023

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