Sodium chloride imparts a golden yellow flame in a Bunsen burner. What can be inferred from this?
- ALow ionization energy of sodium
- BPhotosensitivity of sodium
- CSublimation of metallic $Na$ into yellow vapor
- DEmission of absorbed heat as radiation in the ultraviolet region
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Similar Questions
On heating to $400-500\,^oC$,relatively unstable hydrides and carbonates decompose. Which of the following will decompose when heated to $400-500\,^oC$ ?
$(I) \ LiH$ $ $ $(II) \ NaH$ $ $ $(III) \ Li_2CO_3$ $ $ $(IV) \ Na_2CO_3$
$(I) \ LiH$ $ $ $(II) \ NaH$ $ $ $(III) \ Li_2CO_3$ $ $ $(IV) \ Na_2CO_3$
Which of the following statements is false?
Easy
View SolutionWhich of the following is the strongest reducing agent in an aqueous medium?
Medium
View SolutionWhat is the correct order of increasing basic strength for $MgO, SrO, K_2O$,and $NiO$?
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View SolutionMatch the following:
Compound Uses $1$. Soda ash $a$. In purification of sugar $2$. Calcium oxide $b$. As an antacid $3$. Baking soda $c$. In paper and textile industries $d$. To prepare pure fats and oils
| Compound | Uses |
|---|---|
| $1$. Soda ash | $a$. In purification of sugar |
| $2$. Calcium oxide | $b$. As an antacid |
| $3$. Baking soda | $c$. In paper and textile industries |
| $d$. To prepare pure fats and oils |
Medium
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