99.5% purity gold hits record high of Rs 82,330 on strong global cues
Globally, Comex gold futures rose $10.20 per ounce, or 0.37%, to $2,769.40…
Smooth trick separates oil and water with 99.9 percent purity
Difficult to separate oil and water without leaving behind impuritiesAbaka Press/Alamy A…
