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Random Chem Questions

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?

a)

1 kg

b)

70 grams

c)

0 grams

d)

1.5 kg

e)

250 grams

2.

If you fill a glass to the brim with ice water and the ice melts, what will happen?

a)

nothing

b)

glass will over flow

c)

water level will drop

d)

water level rise

e)

i dont know

3.

The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?

a)

Tin

b)

Arsenic

c)

Antimony

d)

Seaborgium

e)

Samarium

4.

Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?

a)

Slightly Acidic

b)

Slightly Alkaline

c)

Neutral

d)

Strong Acid

e)

Strong Alkaline

5.

DNA codes for proteins, which are the building blocks of organisms. What is the most abundant protein in the human body?

a)

Tubulin

b)

Collagen

c)

Albumin

d)

Keratin

e)

Coronin

6.

Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?

a)

Krypton

b)

Argon

c)

Chlorine

d)

Helium

e)

¯\_(ツ)_/¯

7.

What is the most common isotope of hydrogen?

a)

Protium

b)

Argon

c)

Deuterium

d)

Tritium

e)

Hydrogen has only one isotope

8.

All of the following elements are liquids around room temperature except which one?

a)

Gallium

b)

Bromine

c)

Magnesium

d)

Mercury

e)

Don't know

9.

Which one is not an acid?

a)

NaOH

b)

H2SO4

c)

HNO3

d)

H3PO4

e)

CH3COOH

10.

What makes Fireflies Glow?

a)

Luciferin

b)

Strontium aluminate

c)

Luminol

d)

Green fluorescent protein

e)

Calcium sulfide