The common thing in phthalic acid and oxalic acid is that both are_________________?

Related Mcqs:

1. Acid present in acid rain may be_________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none of the above

2. Acid present in acid rain may be__________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none

3. Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?

   A. Phosphine
   B. Phosphorus
   C. Water
   D. Phosphorus pentoxide

4. Phosphoric acid is a weak acid and its basicity is____________________?

   A. 1
   B. 3
   C. zero
   D. 2

5. When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?

   A. an acid
   B. a dehydrating agent
   C. an oxidizing agent
   D. as sulphonating agent

6. Purines and pyrimidines are_________________?

   A. Enzymes
   B. Nitrogenous bases
   C. Carbohydrates
   D. Lipids

7. When an atom absorbs energy the lines in the spectrum will appear which are_________________?

   A. Brighter
   B. Darker
   C. Colourless
   D. Hard to locate

8. Three elements needed for the healthy growth of plants are_________________?

   A. N P K
   B. N K C
   C. N S P
   D. N Ca P

9. Biocatalytical proteins are_________________?

   A. Enzymes
   B. Substrate
   C. Lipids
   D. any of above

10. Co-enzymes are_________________?

    A. Non proteineous
    B. Proteineous
    C. sugars
    D. lipids