Mcq's
The atomic number of hydrogen is
Newton's second law: F =
The atomic number of carbon is
Newton's third law states
The atomic number of oxygen is
The periodic table was developed by
The number of elements in the periodic table is
Acids have a pH value
Bases have a pH value
The chemical formula of common salt is
The chemical symbol for Iron is?
Which acid is found in lemon?
Which nutrient provides the most energy per gram?
Which element is essential for human thyroid function?
Respiration in cells takes place in?
Which vitamin is needed for blood clotting?
Penicillin was discovered by?
Hemoglobin is found in which blood cells?
Which hormone regulates blood sugar levels?
Which type of blood vessel carries blood away from the heart?