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5/35 MCQs for:
MATTER: PROPERTIES AND TRANSFORMATION: Rates Of Reaction

A few catalysts slow down the rate of a reaction and are called __.

0.4g of marble chips was placed in a conical flask standing on top of a balance, 25cm³ of dilute HCl was added onto the marble chips in the flask. A plug of cotton wool was placed at the mouth of the flask.
Why was there a loss in mass of the reaction mixture?
The branch of chemistry that is concerned with the study of rates or speeds of chemical reactions is known as?

The rate of a chemical reaction expresses __.

A __ is a graph which shows the rate of a chemical reaction