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Drying
At the time of harvesting the moisture content in grains and seeds varies from 15-35%. Besides, grains have a tendency to absorb moisture from the atmosphere. If the moisture content is high, seeds are prone to be infested with pests and this in turn will decrease their quality. Hence moisture con..
Drying Agents
Substances that are capable of taking away moisture from a gas are called drying agents. As all deliquescent and hygroscopic substances have affinity for water, they can be used as drying agents. However, usually anhydrous calcium chloride, quick lime and concentrated sulphuric ..
Substances that are capable of taking away moisture from a gas are called drying agents. As all deliquescent and hygroscopic substances have affinity for water, they can be used as drying agents. However, usually anhydrous calcium chloride, quick lime and concentrated sulphuric ..Dry Air
Dry Air - We know that there is water vapour in air. In other words, air contains moisture and so it is wet. This quality of wetness is referred to as humidity. For our physical comfort, humidity should not be too high or too low. Usually when the atmospheric temperature is high, more eva..
Drying Agents
Substances that are capable of taking away moisture from a gas are called drying agents. As all deliquescent and hygroscopic substances have affinity for water, they can be used as drying agents. However, usually anhydrous calcium chloride, quick lime and concentrated sulp..
The Dry Cell
The dry cell is a modification of the wet Leclanche cell in which the ammonium chloride solution is replaced with a jelly composed of starch, flour and ammonium chloride. The positive electrode, namely carbon rod is surrounded by a mixture of manganese dioxide and carbon. This is placed i..
The dry cell is a modification of the wet Leclanche cell in which the ammonium chloride solution is replaced with a jelly composed of starch, flour and ammonium chloride. The positive electrode, namely carbon rod is surrounded by a mixture of manganese dioxide and carbon. This is placed i..Drying of Ammonia
The drying agent used for ammonia is quick lime. Other drying agents such as concentrated sulphuric acid or phosphorus (V) oxide or fused calcium chloride cannot dry an alkaline gas like ammonia. Sulphuric acid and phosphorus (V) oxide are both acidic. They react with..
The drying agent used for ammonia is quick lime. Other drying agents such as concentrated sulphuric acid or phosphorus (V) oxide or fused calcium chloride cannot dry an alkaline gas like ammonia. Sulphuric acid and phosphorus (V) oxide are both acidic. They react with..Dry Air
We know that there is water vapour in air. In other words, air contains moisture and so it is wet. This quality of wetness is referred to as humidity. For our physical comfort, humidity should not be too high or too low. Usually when the atmospheric temperature is high, more evaporation of wa..
Drying and Firing
Exposing the ceramic article to fire causes sintering during which ceramic particles diffuse and the size shrinks. Firing affects the microstructure of ceramics with an effect on the properties of the finished produc..
Dry splitting or Dry schizocarpic fruits
Here, the fruit dehisces into units called mericarps. Mericarps in turn split to release the see..
Test for the presence of water in food items
Take 10 gms of potato slices, lady's finger, corriander leaves and wheat grains in separate petri dishes and expose them to sunlight for four days. Note down their weight. You will find that the potato slices, lady's finger and corriander leaves have lost weight since the water in them has evapora..
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