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MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Transition metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Nitrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Organic Chemistry - Hydrocarbons
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Gaseous State
MATTER: PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Solutions and acid-base titration
PRINCIPLES OF CHEMISTRY: Electrochemistry
5/50 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Sulphur
Which of the following statements about hydrogen sulphide is correct?
It is highly soluble in water.
It is a colourless gas, lighter than air.
It is a poisonous gas.
It is a strong oxidizing agent.
When preparing hydrogen sulphide in the lab, why is the reaction often carried out in a fume cupboard?
To keep the apparatus cool.
To ensure a high yield of the product.
To prevent the escape of an explosive gas.
To contain the rotten egg smell.
Which of the following is a correct chemical test for sulphate ions (SO₄²⁻)?
Adding barium chloride solution followed by dilute nitric acid.
Adding lime water and observing a white precipitate.
Adding dilute HCl and testing for H₂S gas.
Adding silver nitrate solution and observing a precipitate.
When sulphur is burned in air, what is the chemical equation for the reaction?
S + O₂ → SO₂.
S + N₂ → SN₂.
S + 2O₂ → SO₄.
S + H₂O → H₂S + O₂.
How would you describe the colour of hydrogen sulphide gas?
Yellow.
Green.
Blue.
Colourless.
