paimonmoney
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HELP!!!!! Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then, the remaining liquid is heated to remove the water, leaving a residue of substance B. Which statement about substance A and substance B could be correct?

A. Substance A is rice, and substance B is sugar.

B. Substance A is alcohol, and substance B is salt.

C. Substance A is sand, and substance B is alcohol.

D. Substance A is sugar, and substance B is instant coffee.

Respuesta :

The answer is A

EXPLANATION

Substance A which is rice when mixed with water can be filtered to get the rice back

Substance B which is sugar when mixed with water becomes Diluted and you can get it back only by heating or boiling For the water to Evaporate and sugar crystals will Be left To form on The sides Of the pot in which it’s Heated which is the residue of substance
samueladesida43

The statement that "substance A is rice, and substance B is sugar" is correct.

WHAT IS A MIXTURE?

  • A mixture in chemistry is a substance that contains two or more different substances.

  • One notable characteristics of a mixture is that it can easily be separated using physical means.

According to this question, a mixture contains two substances A and B. Water is added to this mixture for easy separation.

  • Substance A is filtered out. This means that substance A is a solid that is insoluble in water. This substance is RICE.

  • The remaining liquid is heated to remove the water content leaving a residue of substance B. This shows that substance B is also a solid but soluble in water. SUGAR best fits this description.

Therefore, in the mixture of two substances A and B, substance A is rice, and substance B is sugar.

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