Question 16
Question 16 of 40
Question image for Q16
Periodic Table
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
10. Chemistry of the envi...
10.3. Air quality and climate

Describe photosynthesis as the reaction between carbon dioxide and water to produce glucose and oxygen in the presence of chlorophyll and using energy from light

6. Chemical reactions
6.4. Redox

Identify redox reactions as reactions involving gain and loss of oxygen, or gain and loss of electrons