Which one does not give borax bead test_________________?

Related Mcqs:

1. Which of the following does not give Borax bead test ?

   A. Cu B. Cr C. Ni D. A1...

2. The coloured glassy mass in borax bead test is due to the formation of___________________?

   A. metal borate B. metal meta borate C. metal boride D. metal silicate...

3. In borax bead test which compound is formed_________?

   A. Ortho burate B. Meta borate C. Double oxide D. Tetra borate Submitted by: Muhammad Ali Kunbhar...

4. Borax is a white crystalline solid and it is_________________?

   A. More soluble in cold water B. More soluble in hot water C. Insoluble in water D. Soluble only in organic solvents...

5. Aqueous solution of borax above 62°C gives crystals of________________?

   A. Na2B4O7.4H2O B. Na2B4O7.5H2O C. Na2B4O7.2H2O D. Na2B4O7.10H2O...

6. Which of the following substances does not give iodoform test ?

   A. acetaldehyde B. ethyl alcohol C. methyl alcohol D. acetone...

7. Which of the following substances does not give iodoform test ?

   A. acetaldehyde B. ethyl alcohol C. methyl alcohol D. acetone...

8. Nitrates of which pair of elements give different products on thermal decomposition ?

   A. Na K B. Mg Ca C. Li Na D. Li Ca...

9. Which alcohol will undergo elimination reaction to give alkene in the presence of acidic potassium dichromate ?

   A. Primary alcohol B. Secondary alcohol C. Tertiary alcohol D. All of above...

10. Give Electronic configuration of Sodium:

    A. 1s2,2s2,2p6 B. 1s2,2s2,2p6,3s2 C. 1s2,2s2,2p6,3s1 D. None of these Submitted by: Naintara Mustafa...