Potash alum, also known as potassium alum, is a chemical compound with the molecular formula
It is a hydrated double salt of aluminum sulfate and potassium sulfate.
Potash alum is commonly used as an astringent, in water purification, and in the production of baking powder.
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80 Questions
160 Marks
60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishWhich one of the following pairs (Metals or Minerals) is not correctly matched?
Which one of the following is a non-metallic mineral?
Compounds of carbon containing carbon-carbon double bond are known as:
Which of the given statements about non-metals is true?
Which metal is placed at the top of the reactivity series?
Which of the statements about the reaction below is/are correct?
2ZnO (s) + C (s) = 2 Zn (s) + CO_2 (g)
(i) Zinc is getting reduced
(ii) Carbon is getting oxidized
(iii) Zinc is getting oxidized.
(iv) Carbon is getting reduced
Which of the following statements are correct?
(i) Tin-lead alloy is used for making fuse wires.
(ii) Fuse is connected to live wire.
(iii) The material chosen for making fuse should have high melting point.
Which of the following non—metals is a liquid?
Which of the following is NOT generally the properties of non-metals?
Suggested Test Series
Suggested Test Series
