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Chemistry - detailed homework solutions
Chemistry
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59 minutes ago
1 answer
QuestionFollowing questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) A is false but R is true. Assertion(A) : The centre of curvature is not a...
Chemistry
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1 hour ago
2 answers
Why is potassium 41 unstable?
Chemistry
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1 hour ago
1 answer
What is potassium 41 chloride used for?
Chemistry
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1 hour ago
2 answers
What is the decay mode of K 37?
Chemistry
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1 hour ago
2 answers
Why does potassium 40 have a different mass number for potassium 39?
Chemistry
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1 hour ago
1 answer
What is the Difference between a molecule of cyclopentane and molecule of pentane...
Chemistry
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1 hour ago
2 answers
Mohan has three solutions, X, Y and Z. The pH of solutions of X, Y and Z is 6, 4 and 11 respectively. Arrange solutions X, Y and Z in the increasing order of hydrogen ion concentration and choose the correct option. PLS ANSWER DON'T SPAM...
Chemistry
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1 hour ago
2 answers
when we are suffer from acidity , what should we take...
Chemistry
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1 hour ago
2 answers
Identify the INCORRECT statement . a) Oxidation is the addition of Hydrogen b) Reduction is the addition of electrons c) Oxidant helps in oxidation d) Reductant undergo oxidation...
Chemistry
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1 hour ago
2 answers
) On heating blue coloured powder of copper (II) nitrate in a boiling tube, copper oxide (black), oxygen gas and a brown gas X is formed (a) Write a balanced chemical equation of the reaction. (b) Identify the brown gas X evolved. (c) Identify the type of reaction. (d) What could be the pH range of aqueous solution of the gas X?
Chemistry
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1 hour ago
2 answers
Give a reason why sublimation of ammonium chloride involves a physical and chemical change?
Chemistry
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1 hour ago
2 answers
What has an atomic number of 38?
Chemistry
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1 hour ago
1 answer
What has a mass number of 39?
Chemistry
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1 hour ago
2 answers
What is equal to the atomic number?
Chemistry
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1 hour ago
1 answer
What is the isotopic symbol for potassium?
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