What is the chemical symbol for sodium?
What is the atomic number of oxygen?
Which of the following is a noble gas?
What is the chemical formula of common salt?
Which metal is liquid at room temperature?
Which gas is released when zinc reacts with dilute hydrochloric acid?
What is the pH of a neutral solution at 25°C?
Which of the following is an alkali metal?
What is the chemical formula of quicklime?
Which element has the chemical symbol Fe?
Which gas is commonly used in the Haber process?
Which of the following is a halogen?
What is the chemical formula of ammonia?
Which element has the highest electronegativity?
What type of bond is present in sodium chloride?
Which metal is extracted from bauxite ore?
What is the oxidation state of oxygen in most compounds?
Which of these oxides is acidic?
Which gas turns limewater milky?
Which metal is commonly used as a catalyst in the Haber process?
