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Uses of Calcium Carbonate

Element A bur...

Question

Element A burns in nitrogen to give an ionic compound B. Compound B reacts with water to give C and D. A solution of C becomes 'milky' on bubbling carbon dioxide. Identify A, B, C, and D.

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Solution

A is calcium( $C a$ )
B is calcium nitride( $C a_{3} N_{2}$ )
C is lime water ( $C a (O H)_{2}$ )
D is ammonia ( $N H_{3}$ )

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Similar questions

Q. The element A burns in nitrogen to give an ionic compound B. The compound B reacts with water to give C and D. A solution of C becomes milky on bubbling carbon dioxide. what is the nature of compound (D)?

Q. Element (A) burns in nitrogen to given an ionic compound (B). Compound (B) reacts with water to give (C) and (D). A solution of (C) becomes 'milky' on bubbling carbon dioxide. (A), (B), (C) and (D) are identified as Ca,

C a_{3} N_{2}

C a (O H)_{2}

N H_{3}

.

If the given statement is true enter 1 else enter 0.

Q. Element A burns in

N_{2}

to give ionic compound B.Compound B on hydrolysis gives a compound C which on boiling with sulphur dioxide turns milky.Then element A may be:

A

C

(molecular formula,

C_{2} H_{4} O_{2}

N a

metal to form a compound

R

and evolves a gas which burns with a pop sound. Compound

C

on treatment with an alcohol

A

in presence of an acid forms a sweet smelling compound

S

(molecular formula,

C_{3} H_{6} O_{2}

). On addition of

N a O H

C

, it also gives R and water. S on treatment with

N a O H

solution gives back

R

A

R

A

?

Q. Choose the correct answer form the alternatives given.
An element X burns in nitrogen to give a compound Y which on reaction with water gives a compound Z and a gas with a pungent smell. Z can be used during construction and whitewashing. When an excess of

C O_{2}

is bubbled through Z, a compound P is formed which on heating decomposes to give a colourless, odourless gas. Identify X, Y, Z, and P.

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