An example for potassium fertilizer is
KCl
CaCO3
NH4Cl
NH4NO3
In the manufacture of cement the kiln is maintained at this temperature
1400°C - 1600°C
1500°C - 1700°C
1600°C - 1800°C
1700°C - 1900°C
The primary nutrient is
Calcium
Sodium
Magnesium
Nitrogen
The raw materials used for ceramics are ground to a fine powder. This process is called
Polymerisation
Pulverization
Dressing
Concentration
The chromophore present in quinone dyes is
NO2
NO
N=N
C=O
The adhesive used for paper is
Shellac
Gum-Arabica
Casein
Dextrin
Chemotherapeutic drugs are used to act
On spinal cord
On body nerves
On bacteria and fungi
On brain
The chemical used to get blue colour to glass is
AuCl3
MnO2
CuSO4
Cr2O3
The glass used in electric bulbs and optical instruments are
Pyrex glass
Flint glass
Hard glass
Quartz glass
The micronutrient among the following is
Zinc
Potassium
Oxygen
