5 (a) Explain why copper (I) sulphate solution looks blue when placed in sunlight
(b) What are...
Chemistry, 25.02.2020 19:00 skyvargasov9cad
5 (a) Explain why copper (I) sulphate solution looks blue when placed in sunlight
(b) What are the sources of the followme radiations?
- Visible radiation
Trenal
- Ultraviolet radiation
(0) Draw a schematic diagram of ble spectrometer.
(a) Why are group I elements
(1) Univalent
(ii) Largely ionic
(1) Strongly reducing agents
C) Give equations to show the rea lion between sodium and
(H20 (11) H(111)
-1 (a) Define molar volume
(b) Find the volume occupied by 3. mg of chlorine gas at room temperature and
Pressure (molar volume = 22.
4 C 1 = 35.5).
(c) Calculate the percentage by mnus of calcium in the compound Caro
(Ca = 40, C = 12,0 = 1)
tween sodium and
w
Answers: 3
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Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown
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Answers: 1
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Answers: 1
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