________ is an ore of lead?
Correct answer
D. Galena
Explanation
The correct answer is Galena.
Correct answer
D. Galena
Explanation
The correct answer is Galena.
Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about ________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C?
Maxwell’s relation corresponding to the identity, dH = dS = Vdp + Σμi dni is________?
If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) ⇌ C3H8(g) will be ________ Kcal?
The reaction, C + CO2 ↔ 2CO, taking place during coal gasification is called the ________ reaction?
Phosphatic fertilizer is graded based on its ________ content?
The film thickness for laminar film condensation on vertical surface ________ from top to bottom?