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Everyday Science MCQs — Test 60

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Question 1
Aqueous solution of borax above 62°C gives crystals of________________?
Question 2
Which of the following is not a use of silicon ?
Question 3
CO2 is gas while SiO2 is solid at room temperature?
Question 4
Identify the correct statement regarding CO_______________?
Question 5
Boric acid cannot be used__________________?
Question 6
Which element can form tripositive ion ?
Question 7
Which of the following is metasilicic acid ?
Question 8
Boron in soil has been considered micronutrient for_________________?
Question 9
Substance which is found in dried up lakes of Tibet and California is_______________?
Question 10
Which of the following does not give Borax bead test ?