下列物质的溶液加热蒸干、灼烧后，所得的固体成份不相同的是（）_刷题宝

题干

下列物质的溶液加热蒸干、灼烧后，所得的固体成份不相同的是（）

A：FeCl₂、FeCl₃

B：NaHCO₃、Na₂CO₃

C：Al₂(SO₄)₃、AlCl₃

D：NH₄HCO₃、NH₄Cl

上一题下一题 0.0难度选择题更新时间:2018-02-17 12:01:45

答案(点此获取答案解析）

C

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根据短文内容的理解，选择正确答案。

Cathy is 1. 53 meters tall, but she is 160 pounds(磅). So she decided to lose weight(减肥) from now on. She made a plan for losing weight and puted it on the wall.

Exercise

1). Run for 30 minutes every morning.

2). Swim in the club twice a week.

3). Go to work on foot instead of (代替) by bus every day.

4). Take a walk after supper every day.

Food

1). Have only a glass of milk and an egg for breakfast every morning.

2). Just have fruit for supper three times a week.

3). Eat more vegetables and less meat for dinner.

4). Never eat junk food.

5). Drink at least(至少) eight cups of water every day.

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\vec{a} ∥ (2 \vec{a} - \vec{b})

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