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Everyday Science MCQs — Test 47

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Question 1
In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?
Question 2
Gypsum is______?
Question 3
Basicity of orthophosphoric acid is________?
Question 4
Ce58 is a member of__________?
Question 5
Electronic Configuration of Calcium (Ca) atom may be written as________?
Question 6
A 10 volume solution of H2O2 means_______?
Question 7
The volume strength of 1.5 N H2O2 solution is_______?
Question 8
The structure of H2O2 is_______?
Question 9
Which of the following element has the maximum electron affinity_____?
Question 10
The type of hybridisation of boron in diborane is______?