Chemistry, 26.07.2019 14:30 laqu33n021
2select the correct sequence of steps for lighting a bunsen burner. a. apply the spark above the barrel of the bunsen burner. b. open the gas adjustment at the base of the bunsen burner. c. connect the burner hose to the gas outlet. d. open the gas valve on the gas outlet.
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2select the correct sequence of steps for lighting a bunsen burner. a. apply the spark above the bar...
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