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Reaction of Metals with Water/Steam

An element X ...

Question

An element X reacts with water to form a solution which turns phenolphthalein indicator pink.The element X is most likely to be:

(a) sulphur

(b) sodium

(c) carbon

(d) silicon

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Solution

(b) sodium

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Q. An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
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An element E reacts with water to form a solution which turns phenolphthalein soluiton pink. The element E is most likely ot be:

(a) S

(b) Ca

(c) C

(d) Ag

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reacts with water to form a solution which turns phenolphthalein solution pink. The element

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Q. An element X forms two oxides XO and XO₂. The oxide XO is neutral but XO₂ is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen

A solution turns phenolphthalein indicator pink. The most likely pH of this solution will be :

(a) 6

(b) 4

(c) 9

(d) 7

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Reaction of Metals with Water/Steam

Standard VIII Chemistry

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