在反应H2SO4+Ba(OH)2=BaSO4↓+2H2O涉及的四种物质中,属于氧化物的是 A

在反应H2SO4+BaOH2=BaSO4+2H2O涉及的四种物质中,属于氧化物的是

AH2SO4              BBaOH2            CBaSO4            DH2O

答案

D

相关题目

 商品生产者提高个别劳动生产率的目的是     A. 缩短社会
 商品生产者提高个别劳动生产率的目的是     A. 缩短社会必要劳动时间     B. 降低单位商品的价值量     C. 使个别劳动时间低于社会必要劳动时间
阅 读 理 解 Many young people can use the computer, but few of them know ho
阅 读 理 解 Many young people can use the computer, but few of them know how to look after them. Remember the following when you use the computer. l         Keep your computer in a cool
下列图像能正确反映相关实验过程中量的变化关系的是( )
下列图像能正确反映相关实验过程中量的变化关系的是( )
求证关于x的方程x2+2bx+1=0有两个负实根的充要条件是b≥1.
求证关于x的方程x2+2bx+1=0有两个负实根的充要条件是b≥1.
某同学为研究导体电阻大小与长度、材料、横截面积是否有
某同学为研究导体电阻大小与长度、材料、横截面积是否有关,他保持电路两端电压不变,把表中合金线分别接入该电路中测出通过合金线的电流大小
--I came ___ two idioms which puzzled me on the cover of an old book which I was
--I came ___ two idioms which puzzled me on the cover of an old book which I was looking for a new material in yesterday.  ---Why not go to the teacher for ___ about them?  A. with, an advice  B. t
下列物质肯定为纯净物的是(   ) A、汽油           
下列物质肯定为纯净物的是(   ) A、汽油             B、C2H6O             C、聚乙烯          D、葡萄糖
Last weekend, my kids along with a few other kids from the neighborhood volunte
Last weekend, my kids along with a few other kids from the neighborhood volunteered to help me wash my car.My 10-year-old daughter came up with the idea of  31  other people’s cars as well.

最新题目