WorksheetsEffect of Heat on Salts
Total questions: 36
Worksheet time: 22mins
Limewater in diagram turns cloudy.
What is the gas released?
Hydrogen
Oxygen
Carbon dioxide
Ammonia
Lime water turns cloudy due to the present of carbon dioxide.
Suggest the salt used to released the gas.
Nitrate
Sulphate
Carbonate
Chloride
What is the CORRECT observation for this reaction.
Carbon dioxide released
Lime water turns cloudy
Carbonate salt decomposed
What is CORRECT inference for this observation?
Carbon dioxide gas released
Chloride salt has decomposed
Carbonate salt has decomposed
Limewater turns cloudy
Which of the following is possible salt used in this experiment?
Zinc nitrate
Zinc carbonate
Zinc sulphate
Zinc chloride
Name the gas released which lights up glowing splinter
(a)
Which of the following is gas X
Carbon dioxide
Oxygen
Hydrogen
Chlorine
What is observation for this reaction?
Gas oxygen released
Glowing splinter lights up
Which is CORRECT inference?
Oxygen is released
Nitrate salt released oxygen gas
Chlorate(V) released oxygen gas
Glowing splinter ignites
Gas A released will change moist red litmus paper to blue.
Gas A is....
Oxygen
Chlorine
Ammonia
Hydrogen
Which of the following is colourless gas?
Oxygen
Chlorine
Ammonia
Hydrogen
Nitrogen dioxide
Which of the following gas has brown colour?
Carbon dioxide
Chlorine
Ammonia
Nitrogen dioxide
This gas has greenish yellow colour. It is (a) gas
This gas has brown colour. This is (a) gas.
Nitrogen dioxide gas is ....
Acidic
Neutral
Alkaline
Ammonia is.....gas.
Acidic
Neutral
Alkaline
Which of the gasouses has pungent smell.
Sulphur dioxide
Nitrogen dioxide
Ammonia
Hydrogen chloride
What happen to the moist blue litmus paper?
Turn to red
Turn colorless
Turn red and finally its colour bleached
When gas from test tube react with concentrated ammonia at the edge of glass rod, a....produced
Chlorine
White fume
Gas A can change purple colour potassium manganate (Vl) to colourless.
Name gas A
Nitrogen dioxide
Suphur dioxide
Carbon dioxide
Which of the following is possible salt used in this experiment?
Zinc nitrate
Zinc carbonate
Zinc sulphate
Zinc chloride
What is observation for this reaction?
Gas oxygen released
Glowing splinter lights up
Nitrogen dioxide gas is ....
Acidic
Neutral
Alkaline
What happen to the moist blue litmus paper when put into greenish yellow gas?
Blue litmus turns red
Blue litmus turns red then colourless
Why moist blue litmus paper turns red then colourless in greenish yellow gas?
Oxygen gas is acidic
Chlorine gas acidic
Nitrogen dioxide gas is acidic
Ammonia gas is alkaline
Diagram shows the presence of.....gas
Oxygen
Hydrogen chloride
Ammonia
Sulphur dioxide
White fume released is a....gas
Oxygen
Sulphur dioxide
Ammonia
Hydrogen chloride
This method is used to test present of hydrogen chloride gas.
What is the chemicals used at the edge of glass rod
Ammonia
Sodium chloride
Sulphuric acid
Fron diagram, what is your observation.
White fumed released
Hydrogen chloride gas released
What is inference for this reaction?
White fume released
Hydrogen chloride gas released
This gas has brown colour.
This is ....gas
Nitrogen dioxide
Ammonia
Carbon dioxide
This gas changed blue litmus to red then become colouless.
Name the gas Z
(a)
Why this gas turns red litmus paper to blue?
Its acidic gas
Its alkaline gas
Its neutral gas
Which is correct inference in this reaction?
Nitrogen dioxide released
Ammonia gas released
Nitrate ion present
Ammonium ion present
This gas will turn purple colour of potassium manganate(VII) to colourless.
Name the gas.
Nitrogen dioxide
Carbon dioxide
Sulphur dioxide
Which of the gasouses has pungent smell.
Sulphur dioxide
Nitrogen dioxide
Ammonia
Hydrogen chloride
