Question
How much mechanical work must be done to completely
melt 1 gram of ice at 0°C?Solution
When water at 0 degree Celsius freezes, each gram of water gives off 80 calories. The temperature of the water stays at 0 degree C until every drop has frozen. When ice at 0 degree Celsius melts, it absorbs an equal amount of heat-80 calories for each gram of ice—and its temperature remains unchanged until it has completely melted.
The green revolution leads to the production of foodgrains basically paddy and wheat, golden revolution is phased out in similar pattern for the product...
Salt is added in the pickle to preserve it for a longer time. Salt in pickle is measured byÂ
Crops grown to supplement the yield of main crops are called
What is the purpose of the scouring stage in cotton purification?
The rural development projects and men behind them are listed below. Which of the following is correctly matched?
1. Bhoodan Movement – Albert ...
Tristeza virus is associated with .....
The let-down of milk in cow is due to release of which of the following hormone?Â
According to Planning commission, Indian region is divided into how many agro climatic zones?
Which of the following is not a type of angiosperm?Â
Which part of alimentary canal of poultry is known as muscular stomach?Â
