Question

1. Sehaj las repared 0.01%(bv mass) solution of sodium chloride in water. Which of the following currently represents the composition of the solutions? 1.0g or Naci + 100g of water c) 001g of Naci * 00 oog of water b) 0.11g of NaCl + 100g of water d) 0.10g or Naci 2000g of water

2. Tincture of iodine has antiseptic properties. This solution is made by dissolving: a) lovine in Potassium iodide ) todine in water

3 The smell of H2S
a) pleasant Which of the following increases with increase in temperature?
b) fodine in Vaseline
c) like that burning sulphur
d) lodine in alcohol

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Answer 1

Answer:

i thinks mass percentage w/w and then morality