Gold slipped 120 rupees to 22,320 rupees per ten grams, in Delhi's bullion market, today, on sluggish demand, amid a weak global trend.But silver rose 550 rupees, to 52,700 rupees per kilo on increased offtake by industrial units and jewellery fabricators.In the global markets, gold fell nearly 4 dollars, to 1,508 dollars an ounce. But silver gained 0.2 per cent, to 34.80 dollars an ounce.