Science For You

[Perfection]

What is the chemical name of vitamin C ?
Ascorbic acid

What is the chemical name of mothball ?
Naphthalene

Where is white phosphorous kept ?
In water

Where is Sodium and Potassium kept ?
In kerosene

Which is the metal burns in water ?
Sodium

Which liquid is having the maximum density ?
Mercury

Who discovered Formic acid ?
J Roy

Name the barometer without any fluid ?
Aneroid barometer

Which acid is seen in curd ?
Lactic acid

Surface area of human skin is
25 sq ft

[Perfection]

Dilute acetic acid is known as
Vinegar

What is aqua fortis ?
Nitric acid

Which is the main component of natural gas ?
Methane

Which compound is used as rat poison ?
Zinc phosphate

Which substance is known as Epsum salt ?
Magnesium sulphate

What is the chemical name of Plaster of Paris ?
Calcium Sulphate

Which steel is used to make blade ?
High carbon steel

Which element has the maximum density at normal temperature ?
Osmium

What are main elements of sun ?
Hydrogen and Helium

Which radioactive element is seen in Kerala ?
Thorium