Advertisements
Advertisements
Question
Give a chemical test to distinguish between the following gases.
SO2 and Cl2
Solution
Sulphur dioxide | Chlorine. |
Colour of gas: The gas is colourless. | Colour of gas: The gas is greenish-yellow. |
APPEARS IN
RELATED QUESTIONS
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron and rust are the same substances.
TRUE \ FALSE
Evaporation of water is a physical change. True or false ?
State what you would observe when the following substance is heated in a glass test tube red lead.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Give an example of a reaction where the following are involved
Catalyst
Write the chemical reaction where the following changes are observed.
Colour change is noticed
Give a chemical test to distinguish between the following gases.
NH3 and HCl
Write your observation and a balanced equation in the case of the following substances being heated.
Ammonium chloride
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
Give a word equation for the following reaction.
A compound which on heating shows – colour change from brown to yellow.
What is a chemical reaction?
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which leaves on strong heating a black residue and evolves two colourless gases one of which is acidic and the other neutral.
Give balanced equation for the following conversion affected by heat alone on the substance:
Zinc carbonate to zinc oxide
State the following reaction represent oxidation or reduction.
\[\ce{Fe++->Fe+++}\]
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Calcium hydroxide.
_____ is the basic material to manufacture urea.
Water boiling into water vapour is an example of chemical change.
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Write a word equation for the chemical change, if any.
______ is the chemical name of slaked lime.
Acid rain is a result of ______.