Sets
Chemistry Set 17
30 questions 1. A reducing agent is a species that is:
2. A soap solution appears cloudy because the micelles are large enough to:
3. Which of the following is a transparent material?
4. A reaction in which a single product is formed from two or more reactants is called a:
5. In terms of electron transfer, reduction is:
6. In centrifugation, the heavier particles:
7. Newlands' Law of Octaves seemed to be true only up to the element:
8. A saline drip is 0.9 % m/v sodium chloride. The mass of salt in 500 mL of this solution is:
9. The products formed on heating sodium hydrogencarbonate are:
10. Which of the following is a positively charged polyatomic ion?
11. Reactions in which there is an exchange of ions between the reactants are called:
12. Non-metals form oxides that are either:
13. A homogeneous mixture of two or more metals, or a metal and a non-metal, is called:
14. The bond formed by transfer of electrons from one atom to another is called:
15. Scum is formed when soap reacts with the ______ salts present in hard water.
16. Which of the following is an exothermic process?
17. Which of the following is an element?
18. Substances added to foods containing fats and oils to prevent oxidation are called:
19. Hydrocarbons containing one or more triple bonds are called:
20. The word 'redox' was coined because oxidation and reduction: