The hottest part of the gas flame is known as
luminous zone
dark zone
blue zone
non-luminous zone
Additional Questions
|
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is |
Answer |
|
The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is |
Answer |
|
The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? |
Answer |
|
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 |
Answer |
|
The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in |
Answer |
|
The National Chemical Laboratory is situated in |
Answer |
|
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be |
Answer |
|
The mass number of an atom is equal to |
Answer |
|
The maximum number of covalent formed by nitrogen is |
Answer |
|
The formula C6H5-CO-CH3 represents |
Answer |