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Everyday Science MCQs — Test 62

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Question 1
In diaphragm cell hydrogen is discharged by the reduction of__________________?
Question 2
Gypsum is applied to the soil as a source of________________?
Question 3
Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?
Question 4
Which one of the following pairs shown diagonal relationship in the periodic table ?
Question 5
Sodium is not observed in +2 oxidation state because of its__________________?
Question 6
Magnesium metal does not burn in the vessel containing_______________?
Question 7
Second ionization potential of alkali metals are very high due to_______________?
Question 8
Which one is least ionic in nature and decompose on heating ?
Question 9
The word Alkali means__________________?
Question 10
Which element is necessary for normal leaf development ?