CHEM UNIT 2 PAST PAP Matching
| Which of these metal hydroxides is the most soluble in water? |
| Which one is likely to have the lowest boiling point? |
| Which of the following is not a true statement about hydrogen iodide? |
| It forms a cream precipitate with silver nitrate solution. |
| Write an equation for this reaction.. |
| 2Mg(NO3)2 → 2MgO + 4NO2 + O2 Correct formulae (1) |
| Which compound gives a lilac colour in a flame test and does not decompose on heating? |
| Cl2(g) + 2Na(s) → 2NaCl(s) |
| Which list below shows the compounds in order of increasing boiling temperature? |
| The following liquids all have the same number of electrons in each molecule. |
| Which of the following could not be an element in Group 2? |
| An element with a chloride which is liquid at room temperature. |
| Which of these metals will give a lilac flame colour? |
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