NanoChemistry

From the Physical Science

• Chemistry

• Biology

• Physics

• Astronomy

• all the following

Chemistry is the science that is interested in

• the composition and the properties of matter

• the reaction of different substance with each other

• suitable condition for these reactions

• all the following

the fields of studying chemistry ?

• The atomic and molecular structure

• Treating environmental problems

• explosions and nuclear bombs

• obtain new harmful product

Branches of Chemistry

• Physical Chemistry

• biochemistry

• Analytical chemistry

• organic chemistry

Biology integrated " يتحد " with chemistry in

• Physical chemistry

• Biochemistry

• Analytical chemistry

• Medicines

Physics integrated " يتحد " with chemistry in

• Physical chemistry

• Biochemistry

• Analytical chemistry

• Medicines

the most important fertilizers elements are

• Nitrogen "N"

• Phosphorus "P"

• Potassuim "K"

Nanochemistry is science interested in discovering and forming new substance with extraordinary properties ?

• Right

• Wrong

We need to make measurment process

• Numerical value

• measuring unit

• sensitive balance

• none of the above

If the conc of (HCO₃ ) in water is 50 mg/L what is the amount taken by patient if he drink 5L daily ?

• 250 mg

• 130 mg

• 140 mg

• 240 mg