$1 \, g$ of hydrogen is found to combine with $80 \, g$ of bromine. $1 \, g$ of calcium (valency $2$) combines with $4 \, g$ of bromine. The equivalent weight of calcium is
- A$10$
- B$20$
- C$40$
- D$80$
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If a metal oxide contains $32\%$ oxygen,what is the equivalent mass of the metal?
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View SolutionMatch the following substances in List-$I$ with their equivalent weights in List-$II$ ($M$ = Formula weight):
List-$I$ (Substance) List-$II$ (Equivalent weight) $A. Na_2CO_3$ $I. M/5$ $B. KMnO_4 / H^+$ $II. M/3$ $C. K_2Cr_2O_7 / H^+$ $III. M/2$ $D. KMnO_4 / H_2O$ $IV. M/6$
| List-$I$ (Substance) | List-$II$ (Equivalent weight) |
|---|---|
| $A. Na_2CO_3$ | $I. M/5$ |
| $B. KMnO_4 / H^+$ | $II. M/3$ |
| $C. K_2Cr_2O_7 / H^+$ | $III. M/2$ |
| $D. KMnO_4 / H_2O$ | $IV. M/6$ |
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View SolutionIn Victor Mayer’s method,$0.2 \ g$ of an organic substance displaced $56 \ mL$ of air at $STP$. The molecular weight of the compound is:
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View SolutionThe specific heat of a metal is $0.16$,its approximate atomic weight would be
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View SolutionThe atomic weight of $Ne$ is $20.2$. It is a mixture of $Ne^{20}$ and $Ne^{22}$. What is the relative abundance of the heavier isotope (in $\%$)?
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