chemistry gcse
What is the atomic number of carbon?
6
Which element is used to make stainless steel?
Chromium
What is the chemical symbol for gold?
Au
What is the pH value of a neutral solution?
7
Which gas is responsible for the greenhouse effect?
Carbon dioxide
What is the formula for water?
H2O
Which gas is produced during photosynthesis?
Oxygen
What is the function of catalysts in chemical reactions?
Speed up the reaction
Which element is essential for all living organisms?
Oxygen
What is the chemical formula for glucose?
C6H12O6