chemistry
Chemistry
KG - University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?
1 kilogram
500 grams
250 grams
10 grams
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you fill a glass to the brim with ice water and the ice melts, what will happen?
The glass will over flow as the ice turns to water.
The level of water in the glass will remain unchanged as the ice melts.
The water level will drop slightly as the ice melts
I'll never find out because I'll drink the water or walk away before anything happens.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you fill a glass to the brim with ice water and the ice melts, what will happen?
The glass will over flow as the ice turns to water.
The level of water in the glass will remain unchanged as the ice melts.
The water level will drop slightly as the ice melts
I'll never find out because I'll drink the water or walk away before anything happens.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?
Arsenic
Antimony
Seaborgium
Tin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?
Slightly Acidic
Neutral
Milk does not have a pH
Strong Acid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DNA codes for proteins, which are the building blocks of organisms. What is the most abundant protein in the human body?
Tubulin
Albumin
Collagen
Keratin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?
Helium
Argon
Chlorine
Krypton
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