Chemistry
Distinguish between the following as directed.
(a) Ethene and ethyne (on the basis of preparation)
(b) Sodium carbonate and sodium sulphite (using dilute hydrochloric acid)
Related Questions
The diagram shows an experiment set up for the laboratory preparation. Study the diagram and answer the following.
(a) Name the experiment illustrated above.
(b) Identify the gas Y and which property of gas Y, does this experiment demonstrate?
(c) State the colour of the water that has entered in the round bottom flask and name another gas which has the same property which can be demonstrated by this experiment.
(a) Give the chemical names and formula of main ores of
- aluminium
- iron
- zinc
(b) Write the principle metal(s) of the following alloys.
- Brass
- Stainless steel
Draw the electron dot structure for the following.
(a) NaCl
(b) MgCl2
An element X has atomic number 35. Answer the following questions.
(a) State the period and group to which it belongs.
(b) It is a metal or non-metal?
(c) Write a formula between X and hydrogen.