$X$-ray tube windows are made using which of the following metals?
- A$Mg$
- B$Na$
- C$Be$
- D$Ca$
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Which one of the following will not give a flame test?
$BaSO_4 + C \rightarrow A + CO$
In the above reaction,$A$ is:
In the above reaction,$A$ is:
Medium
View SolutionMortar is a mixture of
Difficult
View SolutionThe alkaline earth metal sulphate$(s)$ which are readily soluble in water is/are:
$(A)$ $BeSO_4$; $(B)$ $MgSO_4$; $(C)$ $CaSO_4$; $(D)$ $SrSO_4$; $(E)$ $BaSO_4$
Choose the correct answer from the options given below:
$(A)$ $BeSO_4$; $(B)$ $MgSO_4$; $(C)$ $CaSO_4$; $(D)$ $SrSO_4$; $(E)$ $BaSO_4$
Choose the correct answer from the options given below:
Gypsum is added to clinker during cement manufacture to:
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