IGCSE Chemistry - Fundemantal Ideas
9 Questions
| Total Attempts: 306
Questions and Answers
- 1.What does the formula of H2O2 tell us (4 marks)
- 2.Why are potassium and sodium in the same group?
- 3.How many protons are in an atom of sodium?
- 4.The atomic number of sodium is 11. How many neutrons are in an atom of sodium with a mass number 23?
- 5.
![Answer the pictured question - ProProfs]( "Answer the pictured question")
Answer the pictured question - 6.Which one do you like?
- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
- 7.Type question here. Example: Practice makes you [Blank]
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Sample QuestionIn which of these glands is ADH (Anti-Diuretic Hormone) produced?
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Questions: 10 | Attempts: 3709 | Last updated: Feb 25, 2021
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Sample QuestionThe half-lifeof a Radioactive substance is 5 hours. A sample is tested and found to contain O.48g of the substance. How much of the substance was present in the sample in the sample 20 hours before the sample was tested?
Questions: 10 | Attempts: 2869 | Last updated: Feb 25, 2021
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Sample QuestionWhat is an organism made out of?
What Dog Breed Does Your Personality Match With Quiz
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