Question
Lanthanides and actinides are also called
___________.Solution
 Inner transition elements. • The f-block elements are termed inner transition elements. • Some characteristics of Transition elements are: • They are hard and have high densities. • They always form colored ions and compounds. • They have high melting and boiling points • They have more than one oxidation state.
Which soil structure grade indicates no noticeable aggregation?
Biuret is formed during manufacturing of urea when temperature goes high above 150 degree Celsius and is toxic to plants when concentration is more than...
Calculate the rotational intensity of rice-wheat crop rotation.
Match List-I with List-II
Choose the correct answer fr...
Which crop does not contribute to food grain production?
ICRISAT deals with..........?
The character of a special plant variety ,”Antibiosis” refers to:
A synthetic growth retardant used to prevent sprouting of onions and potatoes.
Metarhizium anisopliae is used for control of:
The headquarters directorate of Plant Protection, Quarantine and Storage (DPPQS) is located at which place?