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- Subject
- Chemistry Mcqschemistry-mcqs
- Published
- 17 Mar 2019
- Last updated
- 28 May 2026
Explanation
Alum is widely used as a coagulant in water purification processes to help remove suspended particles, whereas nickel sulfate, copper sulfate, and barium sulfate are not typically used for this purpose.
More Chemistry Mcqs
Practice related questions from the same subject.
- 1.In what way do isotopes primarily differ from each other?
- 2.Which of the following compounds does not produce a positive result in the borax bead test?
- 3.Given that manganese has an atomic number of 25, what is its electronic configuration in the ground state?
- 4.Which of the following statements is true regarding atomic and ionic sizes?
- 5.Which gas is commonly employed to induce the ripening of unripe fruits artificially?
- 6.Which of the following statements is incorrect?
- 7.Which of these air pollutants poses the greatest threat to the ozone layer?
- 8.Which atmospheric layer contains the highest concentration of the ozone layer?
Subcategories
- Alcohols Phenols and Ethers
- Aldehydes and Ketones
- Aliphatic Hydrocarbons
- Alkyl Halides
- Aromatic Hydrocarbons
- Atomic Structure
- Carboxylic Acids
- Chemical Bonding
- Chemical Equilibrium
- Chemistry Basic Concept
- Common Chemical Industries
- Diagnostic Test
- Electrochemistry
- Environmental Chemistry
- Experimental Techniques
- Gases
- Group III A and IVA Elements
- Group VA and VIA Elements
- Liquids and Solids
- Macromolecules
- Organic Chemistry
- Periodic Classification
- Reaction Kinetics
- S-BLOCK ELEMENTS
- Solutions
- The Halogens and The Noble Gases
- Thermochemistry
- Transition Elements