Limestone is not used in which of the following manufacturing processes
Limestone is not used in which of the following manufacturing processes Options (a) Phosphorus from phosphorite (b) Ordinary (soda lime)…
7 years ago
Chemistry
The s-block element used as a catalyst in the manufacture of Buna-S rubber is
The s-block element used as a catalyst in the manufacture of Buna-S rubber is Options (a) Mg (b) Ca (c)…
7 years ago
For alkali metals, which one of the following trends is incorrect
For alkali metals, which one of the following trends is incorrect Options (a) Hydration energy: Li > Na > K…
7 years ago
The characteristic not related to alkali metals is
The characteristic not related to alkali metals is Options (a) their ions are isoelectronic with noble gas (b) low melting…
7 years ago
In a lime kiln, to get higher yield of CO₂, the measure that can be taken is
In a lime kiln, to get higher yield of CO₂, the measure that can be taken is Options (a) to…
7 years ago
Excess of Na⁺ ions in air system causes
Excess of Na⁺ ions in air system causes Options (a) diabetes (b) anaemia (c) high blood pressure (d) low blood…
7 years ago
Solution of sodium metals in liquid ammonia strongly reduces due to the presence
Solution of sodium metals in liquid ammonia strongly reduces due to the presence in which of the following solution Options…
7 years ago
When sodium bicarbonate is heated strongly for calcined in a Kiln, it forms
When sodium bicarbonate is heated strongly for calcined in a Kiln, it forms Options (a) NaCO₃ (b) Na (c) NaHCO₃…
7 years ago
When carbon monoxide is passed over solid caustic soda heated to 200▫ C it forms
When carbon monoxide is passed over solid caustic soda heated to 200⁰ C it forms Options (a) HCOONa (b) Na₂CO₃…
7 years ago
During the electrolysis of fused sodium chloride the anodic reaction is
During the electrolysis of fused sodium chloride the anodic reaction is Options (a) oxidation of chloride ions (b) oxidation of…
7 years ago