WorksheetsChemistry/Chimie/Ayan
Total questions: 10
Worksheet time: 4mins
One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?
1 kilogram
250 grams
500 grams
practically none
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.
The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?
Arsenic
Antimony
Tin
Samarium
Seaborgium
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
Slightly Basic
DNA codes for proteins, which are the building blocks of organisms. What is the most abundant protein in the human body?
Tubulin
Collagen
Albumin
Keratin
Organic chemistry is the study of the compounds that make up living organisms. All organic molecules contain:
Carbon Only
Carbon and Hydrogen
Carbon and Nitrogen
Carbon, Hydrogen, and Oxygen
You can't live without iron. Where in the body is most of the iron located?
your blood
your brain
your skin
your bones
All of the following elements are liquids around room temperature except which one?
Gallium
Magnesium
Mercury
Bromine
A drop of food coloring spreading out in a cup of water is an example of which transport process?
Osmosis
Diffusion
Effusion
Vapor Pressure
A mole contains Avogadro's number of items. What is Avogadro's number?
6023
6.02 x 10^-23
3 x 10^8
6.023 x 10^23
