3769Chemical EngineeringMedium
Mullite is chemically represented by________?
A2Al2O3. 3SiO2
B3Al2O3. 2SiO2
CAl2O3. SiO2
DAl2O3. 2SiO2
Correct answer
B. 3Al2O3. 2SiO2
Explanation
The correct answer is 3Al2O3. 2SiO2.
Correct answer
B. 3Al2O3. 2SiO2
Explanation
The correct answer is 3Al2O3. 2SiO2.
________ is normally used for the manufacture of refrigerator components and transistor parts?
Forced recirculation of furnace gases is practised________?
Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its________?
If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is ________ times?
Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is ________ decibels?
Maximum consumption of lead is in the manufacture of ________?