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A bee sting releases an acid. When sodium hydrogen carbonate is applied, it neutralizes the acid since it's a base.
Alambi answered the question on July 4, 2018 at 14:00
- 100g of a radio active substance was reduced to 12.5 g in 15.6 years. Calculate the half-life of the substance(Solved)
100g of a radio active substance was reduced to 12.5 g in 15.6 years. Calculate the half-life of the substance.
Date posted: July 4, 2018. Answers (1)
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Copper (II) oxide and charcoal are both black solids. Describe how you can distinguish them.
Date posted: July 1, 2018. Answers (1)
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Explain the following observations when burning magnesium is lowered into a gas jar of carbon(4) oxide it continues burning,but when burning zinc is lowered into a gas jar of carbon (4) oxide it does not burn.
Date posted: June 24, 2018. Answers (1)
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Date posted: June 24, 2018. Answers (1)
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Date posted: June 23, 2018. Answers (1)
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Date posted: June 22, 2018. Answers (1)
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Date posted: June 20, 2018. Answers (1)
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What mass of sodium hydroxide would be neededto neutralize exactly 200 cubic centimetre of a solution containing 49 grammes of sulphuric acid in dm^-3
Date posted: June 18, 2018. Answers (1)
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Describe Werner's coordination theory and give his main proposals.
Date posted: May 22, 2018. Answers (1)
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Explain Pearson's rule and Jorgen's rule as used in coordination chemistry.
Date posted: May 20, 2018. Answers (1)
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Date posted: May 20, 2018. Answers (1)
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Date posted: May 20, 2018. Answers (1)
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State the assumptions of capture recapture method of population size estimation.
Date posted: May 19, 2018. Answers (1)
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Explain why sodium hydroxide is preferred when making a setup to investigate the active part of air using a burning candle.
Date posted: May 14, 2018. Answers (1)
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Date posted: May 12, 2018. Answers (1)
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Date posted: May 10, 2018. Answers (1)
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Name the three oxides of nitrogen.
Date posted: May 10, 2018. Answers (1)
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Date posted: May 10, 2018. Answers (1)
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Date posted: May 10, 2018. Answers (1)