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CHEM LAB - NUR22E

Authored by JAY ROBERT LACEDA

Chemistry

KG - University

Used 5+ times

CHEM LAB - NUR22E
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the SI unit for Luminous intensity?

m

cd

kg

s

2.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Which of the following is an inexact number

10 pencils

3.54 g of rice

1 kg = 2.2 lbs

1 Dozen

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Which of the following is a correct statement?

In terms of mass, 50 g solid rock is heavier than 50 g of Air

In terms of mass, 50 g Air is heavier than 50 g of solid rock

50 g of Air and 50 g of solid rock are equal in terms of density and mass

In terms of density, 50 g of solid rock is denser than 50 g of Air

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following is the smallest number?

5 × 10 3

7 × 10–6

3 × 10 4

2 × 10–5

5.

MULTIPLE CHOICE QUESTION

10 mins • 5 pts

Calculate the mass of element Zinc in grams with same volume as 50 g of Aluminum. The density of Zinc = 7.14 g/mL and density of Aluminum=2.70 g/mL

7.00 g

18.51 g

105.77 g

132.22 g

6.

MULTIPLE CHOICE QUESTION

5 mins • 3 pts

Which of the following is an incorrect statement?

1 x 10-9 g is equal to milligram

6 x103 m is equal to 6 km

The exponential notation for 5.76 x 10-6 g is 5.76 microgram

The unit of speed that is m/s is an example of derived unit.

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

BONUS QUESTION: WHAT IS THE COMPLETE NAME OF YOUR CHEM LAB INSTRUCTOR?

ALBERT EINSTEIN

ISAAC NEWTON

JAY ROBERT LACEDA

ERNEST RUTHERFORD

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