When an iron nail gets rusted, iron oxide is formed
1 Without any change in the weight of the nail
2 With increase in the weight of the nail
3 With decrease in the weight of the nail
4 None of these
which among the followings is found chlorophyll ?
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
Heavy water is 1 Tritium oxide 2 Deuterium oxide 3 Rain water 4 None of these
What are the divisions of food according to the functions it performs ? Describe them
When was the second and third experimental explosion conducted?
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3
In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration
what is defination of conductivity? How much conductivity of water ? what is effect when conductity of water low or high?
what are advantages of excess populatoin?
hai am ashok am studying degree 1st year.i want to write group 1 exams how i am started my preparation.which meterial is best for exam.what are the subjects have it.how much time can i spend to study dialy to get it in first attempt.how much money we need.for this exam degree qualification must to need .NCC c-certificate how use for this exam. what is the best coaching centre in hyd near to khairathabad.plz tell me
Which is the regulatory authority of atomic energy in india?