Using Fig. 3.1, identify apparatus and precautions for accurate measurement.

Here are the answers to the questions based on Fig. 3.1:

a) Which piece(s) of apparatus
i) are beakers? * T and U ii) is capable of measuring accurately 250 cm³ of water? * R iii) is safe for use in boiling 250 cm³ of water? * T, U, and V

b) Give two precautions taken to obtain an accurate reading when using apparatus R. 1. Place the measuring cylinder on a flat, level surface. 2. Read the bottom of the meniscus at eye level to avoid parallax error.