Arrange the following substances in chronological order of their first synthesis in lab :
1) Black gold
Select correct answer from the codes given below:
Mother’s milk provides almost complete diet to the new-born, but it lacks the following
Which of the following statements about enzymes is/are correct?
1) They are biocatalysts.
2) They perform their action on the site where they are produced.
Select the correct answer using the codes given below:
The phenomenon used in optical fibre for transmission of light energy is
A sample of any of the following substances disappears after sometime when exposed to air like camphor, naphthalene of dry ice. This phenomenon is called
Match List – I with List – II and select the correct answer from the codes given below the lists :
List – I
C) Zinc Phosphide
List – II
2) Synthetic fibre
3) Anticancer Drug