G10 Chemistry Quiz1 L:1

Citric acid is found in citrus fruits, such as lemons and oranges. Which of the following sciences helped us to know the synthesis of this acid?

• Physics.

• Chemistry.

• Environmental chemistry

• Chemistry and agriculture.

What science helped explain the process of combining oxygen and hydrogen together to form water

• Biology

• Chemistry

• Biochemistry

• Astronomy

What science contributes to understanding most of the natural sciences and applied sciences?

• Chemistry.

• Biology.

• Physics.

• Geology.

The process of photosynthesis is considered one of the important biological processes that occur in plants, bacteria, and algae, and the science that contributes to understanding this process is.......

• Chemistry.

• Physical Chemistry.

• Nuclear Chemistry.

• Biochemistry.

The science of.................. is concerned with studying the chemical composition of fats and proteins

• Biochemistry.

• Chemistry and agriculture

• Chemistry.

• Physical Chemistry.

1-   The glass tool used for distillation and preparation processes is:-

• round-bottom flask

• Graduated cylinder

• Pipette

• Burette

1- ………. Studies the chemical structure of living organisms

• Biochemistry.

• Electrochemistry

• Physical Chemistry.

• Analytical chemistry

Chemistry can be partitioned into different branches. Which of the following is not a  recognized branch of chemistry?

• Inorganic chemistry

• Physical chemistry

• Organic chemistry

• Particle chemistry

Which of the following pieces of labware is not ideal for measuring the volume of a liquid?

• Graduated cylinder

•  Balance

• Volumetric pipet

• Buret

What piece of scientific equipment is used to measure mass?

• Volumetric pipet

• Balance

• Beaker

• Test tube