Chemistry, 24.06.2021 03:00 SydneyFrank
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.
Answers: 2
Chemistry, 22.06.2019 02:40, gabrielolivas59
The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
Answers: 3
Chemistry, 23.06.2019 00:00, savyblue1724707
How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?
Answers: 3
ASSESSMENT
GRIECHEME
20 Marks
PART A: MULTIPLE CHOICE QUESTIONS
Choose the best answ...
20 Marks
PART A: MULTIPLE CHOICE QUESTIONS
Choose the best answ...
Computers and Technology, 28.12.2019 04:31
Computers and Technology, 28.12.2019 04:31