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How to test Petrol in blood? What the number degre of high acid? I need to describe two ways I would measure moles in chemistry lab and identify any equipment I would use? What forms when propene reacts with HCN? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)?