ASSESSMENT GRIECHEME
20 Marks
PART A: MULTIPLE CHOICE QUESTIONS
Choose the best answer for each question. Write the LETTER of your choice in the box provided.
QUESTION
When a course nee is healed in letne enelals become powdery. There are ne
bondenzations or other visible changes inside the Bt lube. After cooling the mass of the contents
olithe les tube del BS.
The most likely tplanation of these observation is thal, on healing the
crestals toe water.
ons with air.
crystals give off a colourless gas
ramia
substance remains unchanged but decreases in mass because it is in powder form.