Which of the following alloys is used for filling dental cavities?
- ASodium amalgam
- BZinc oxide
- CMercury
- DMercury amalgam
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Similar Questions
Match the following compounds (Column-$I$) with their uses (Column-$II$):
Column-$I$ Column-$II$ $I. Ca(OH)_2$ $A$. Casts of statues $II. NaCl$ $B$. White wash $III. CaSO_4 \cdot \frac{1}{2}H_2O$ $C$. Antacid $IV. CaCO_3$ $D$. Washing soda preparation
| Column-$I$ | Column-$II$ |
|---|---|
| $I. Ca(OH)_2$ | $A$. Casts of statues |
| $II. NaCl$ | $B$. White wash |
| $III. CaSO_4 \cdot \frac{1}{2}H_2O$ | $C$. Antacid |
| $IV. CaCO_3$ | $D$. Washing soda preparation |
Which pair of substances gives the same gaseous product when they react with water?
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View SolutionFor a good quality cement,the ratio of lime to the total of the oxides of $Si$,$Al$ and $Fe$ should be as close as to :
DifficultJEE MAIN 2023
View SolutionWhich of the following compounds is useful as a fertilizer?
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View SolutionWhich of the following orders is correct?
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