Chemistry

Chemistry, 22.07.2019 05:30, jshu1998

Which is not a clue that a chemical change has taken place? a)changes color when heated b)boils at 90°c c)bubbles in water d)disappears in acid

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Physics, 07.07.2019 19:40, lovelarissa

Which of the following is a clue of a chemical change? a. iron changes color when heated b. gas bubbles form in boiling water c. balls of wax form when melted wax is poured into ice water d. a gas forms when vinegar and baking soda are mixed

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Chemistry, 29.07.2019 09:00, nene3210204

Which of the following is a clue of a chemical change? a. gas bubbles form in boiling water b. a gas forms when vinegar and baking soda are mixed c. balls of wax form when melted wax is poured into ice water d. iron changes color when heated

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Chemistry, 02.09.2019 10:30, Svetakotok

Which of the following is a clue of a chemical change? a. balls of wax form when melted wax is poured into ice water b. iron changes color when heated c. gas bubbles form in boiling water d. a gas forms when vinegar and baking soda are mixed?

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Chemistry, 05.10.2019 17:00, wweghorst8275

Students in science class watched as their teacher demonstrated various changes. picture a. shows a strip of magnesium ribbon, a silver metal, in a test tube of hydrochloric acid. bubbles are forming as the metal ribbon disappears. also, the test tube feels warmer. picture b. shows a container of water being heated and bubbles forming as the water bubbles. which picture illustrates a chemical change? explain. a) picture a. the magnesium ribbon disappears. b) picture a. gas bubbles are produced and there is a temperature change. c) picture b. bubbles are being produced as the water is being heated on the burner. d) picture b. there is a change in temperature as the water begins to boil and bubbles are being produced.

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