Give one word or phrase for the following:
Formation of ions from molecules
Ionisation
Fill in the blanks from the choice given within bracket:
The basicity of Acetic Acid is ……… (3,1,4).
Fill in the blank with the choice given within bracket:
Quicklime is not used to dry HCl gas because .................... (CaO is alkaline,CaO is acidic,CaO in neutral).
Fill in the blank with the choice given within bracket:
Ammonia gas is collected by.............................(an upward displacement of air, a downward displacement of water, a downward displacement of air).
Fill in the blank with the choice given within bracket:
Cold dilute nitric acid reacts with copper to form ................(hydrogen, nitrogen dioxide, nitric oxide)
Fill in the blanks with the choices given with bracket:
The compounds formed when ethanol reacts with sodium is .................(sodium ethanoate ,sodium ethoxide, sodium propanoate.)
Give one word or phrase for the following :
The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.
Give one word or phase for the following:
The ration of the mass of a certain volume of gas to the mass of an equal volume of hydrogen under the same condition of temperature and pressure.
Match the following:
| A. Alkynes | (i) No. of molecules in 22.4 dm3 of carbon dioxide at s.t.p |
| B. Alkane | (ii) An element with electronic configuration 2,8,8,3 |
| C. Iron | (iii) CnH2n+2 |
| D. Iron | (iv) CnH2n-2 |
| E. Metal | (v) Metal that forms two types of ion. |
