A-Level ChemistryYear 2019Q1
page 02 Total marks — 25 Attempt ALL questions 1. Hydrogen will form a non-polar covalent bond with an element that has an electronegativity value of A 0·9 B 1·5 C 2·2 D 2·5. 2. Which of the following is a polar molecule? A CCl4 B NH3 C CO2 D CH4 3. Which of the following is most likely to act as a reducing agent? A CO B MnO4 - C H2O2 D Cr2O7 2- 4. The following reactions take place when nitric acid is added to zinc. NO3 - (aq) + 4H+(aq) + 3e- ↓ NO(g) + 2H2O(ℓ) Zn(s) ↓ Zn2+ (aq) + 2e- How many moles of Zn(s) are oxidised by one mole of NO3 - (aq)? A 0·67 B 1·0 C 1·5 D 2·0
Paper Source:NH_Chemistry_all_2019.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)