Practice the essential concepts of matter, atomic structure, chemical reactions, bonding and everyday applications of chemistry.
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What is the by-product of the reaction between an acid and a metal carbonate?
What is the chemical name for rust?
Which element is used in the production of stainless steel to prevent rusting?
Which of the following describes a saturated solution?
What is the strongest type of intermolecular force?
Which type of bond involves the complete transfer of electrons from one atom to another?
Which of these is a strong base?
Which element is used in making transistors and computer chips?
Which type of reaction in organic chemistry involves replacing a hydrogen atom with another atom or group?
Which element is the lightest metal on the periodic table?
What is the process of converting a gas into a liquid called?
What is the chemical formula for laughing gas used as a mild anaesthetic in dentistry?
Which type of chemical formula shows the simplest whole number ratio of atoms in a compound?
What is the term for the minimum energy needed to start a chemical reaction?
Which particle determines the chemical properties of an element?
Which of the following elements is a transition metal?
Which process involves passing an electric current through a solution to cause a chemical reaction?
Which organic functional group is present in carboxylic acids?
Which gas is used in fire extinguishers to smother flames by displacing oxygen?
What is saponification in chemistry?