chemistary
What is the atomic number of carbon?
6
Which element is commonly known as the 'universal solvent'?
Water
What is the chemical symbol for gold?
Au
What is the pH value of a neutral solution?
7
Which gas is most abundant in the Earth's atmosphere?
Nitrogen
What is the chemical formula of water?
H2O
What is the process in which a solid changes directly to a gas called?
Vaporization
Which element is used as a coolant in nuclear reactors?
Graphite
What is the chemical symbol for iron?
Fe
What is the SI unit of pressure?
Pascal