Chromates And Dichromates MCQ Tests
12th Class Chemistry MCQ Tests
Chromates And Dichromates
of 12th Class Chemistry has 6 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 6
Total Marks: 6
Time: 10 Mins
Total Questions: 6
Total Marks: 6
Time: 10 Mins
10Min : 00 Sec Remaining
Question # 1
In the presence of acidified potassium dichromate, potassium iodide converts to _____.
Question # 2
When ferrous chromate reacts with potassium carbonate in the presence of air, the oxidation state of chromium changes from _____.
Question # 3
What is the oxidation state of chromium in potassium chromate?
Question # 4
KNO3 + Cr2O3 + KOH → ?
Choose the gas that evolves.
Question # 5
What is the charge on dichromate ion?
Question # 6
An acidified solution of potassium dichromate converts ethyl alcohol to _____.
Total Questions
123456
Question # 1
In the presence of acidified potassium dichromate, potassium iodide converts to _____.
Question # 2
When ferrous chromate reacts with potassium carbonate in the presence of air, the oxidation state of chromium changes from _____.
Question # 3
What is the oxidation state of chromium in potassium chromate?
Question # 4
KNO3 + Cr2O3 + KOH → ?
Choose the gas that evolves.
Question # 5
What is the charge on dichromate ion?
Question # 6
An acidified solution of potassium dichromate converts ethyl alcohol to _____.
Total Questions
123456
Chemistry
- Periodic Classification of Elements and Periodicity
- s-Blocks Elements
- Group IIIA and Group IVA Elements
- Group VA and VIA Elements
- The Halogens and the Noble Gases
- Transition Elements
- Fundamental Principles of Organic Chemistry
- Aliphatic Hydrocarbons
- Aromatic Hydrocarbons
- Alkhl Halides
- Alcohols, Phenols and Ethers
- Aldehydes and Ketones
- Carboxylic Acids
- Macromolecules
- Common Chemical Industries in Pakistan
- Environmental Chemistry
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Punjab 12th Class Chemistry Chromates And Dichromates