Practice the essential concepts of matter, atomic structure, chemical reactions, bonding and everyday applications of chemistry.
Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.
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?
What is the chemical name of the compound with formula Na2SO4?
Which type of chemical formula shows the actual number of atoms in a molecule?
What is the chemical formula for ethanol the type of alcohol found in beverages?
Which of the following is the strongest acid?
What is the chemical formula for ethanoic acid commonly found in vinegar?
What is the chemical formula for washing soda used in cleaning?
What is the valency of carbon that makes it the basis of organic chemistry?
Which type of bond involves the sharing of electron pairs?
What is the general formula of alkanes where n is the number of carbon atoms?
Which element is liquid at room temperature and is the only non-metal element in this state?
What is an isotope?
Which type of reaction occurs when a more reactive metal displaces a less reactive metal from its salt solution?
Which law states that matter can neither be created nor destroyed in a chemical reaction?
Which type of chemical bond involves atoms sharing electrons unequally due to difference in electronegativity?
Which chemical process converts vegetable oils into solid fats by adding hydrogen gas?
Which acid is used in car batteries as the electrolyte?