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Ask QuestionPosted by Karan Jadeja 5 years, 9 months ago
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Posted by Ramesh Arora 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Manuscripts were usually written on palm leaf, or on the specially prepared bark of a tree known as the birch, which grows in the Himalayas, while inscriptions were engraved either on a stone surface or on bricks or metals.
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Sakshi Yadav 5 years, 9 months ago
Yogita Ingle 5 years, 9 months ago
The chemical substances present in food that provides nourishment essential for the growth and maintenance of your body are called nutrients.
Your diet consists of different nutrients that can be classified as carbohydrates, fats, proteins, vitamins, water and mineral salts. The study of food and diet is known as nutrition.
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Chitrakshi Sharma 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
In International numbering system also, we form different periods to read the large numbers easily. Here we use periods like ones, thousand and millions etc.
Suppose, let us understand the International system by using number 1: ones (1), tens (10), hundreds (100), one thousands (1000), ten thousands (10000), hundred thousands (100,000), one millions (1,000,000), ten millions (10,000,000), hundred millions (100,000,000), etc. Here we place the numbers according to their place value.
In International system also, we put a comma (,) after each periods to differentiate the periods.
Posted by Padakshi Murari 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
Silk fabric was invented in Ancient China and played an important role in their culture and economy for thousands of years. Legend has it that the process for making silk cloth was first invented by the wife of the Yellow Emperor, Leizu, around the year 2696 BC.
Posted by Ajit Kumar Das 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
It is the least reactive and most electropositive halogen, even though it can form compounds with many elements.
It is mainly found on Earth as the water-soluble iodide in brine pools and oceans. This element gives purple color when heated.
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Gurneet Kaur 5 years, 9 months ago
Yogita Ingle 5 years, 9 months ago
An Environment is everything that is around us, which includes both living and nonliving things such as soil, water, animals and plants, which adapt themselves to their surroundings. It is nature’s gift that helps in nourishing the life on the earth.
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Sia ? 4 years, 8 months ago
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Prarthana Rajkumari 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
The name given to our number system
Uses these numerals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
It was developed by the Hindus and Arabs many years ago.
Posted by Argha Ghosh 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
The various food items which we eat daily are usually made up of more than one material called ingredients. The ingredients of food contain components which are needed by our body for proper functioning, called nutrients. The five major nutrients of the food are carbohydrates, proteins, fats, vitamins and minerals. In addition to these nutrients, water and roughage also form a major part of the food. All food items do not contain all major components of food. The presence of a particular component in a food item can be confirmed by performing various tests in the given sample of food.
Test for starch:
- Take a small quantity of food item to be tested.
- Add 2 to 3 drops of dilute iodine solution to the food with a dropper.
- If blue-black colour is produced, then starch is present in the given food.
Test for protein:
- Take 2 ml of the given food-stuff solution in a test tube.
- Add a little of dilute sodium hydroxide solution till the mixture clears.
- Then add 2 to 3 drops of copper sulphate solution and shake well.
- If a violet colour appears in the solution, then protein is present in the given food-stuff.
Test for fats:
- Take a small quantity of hard, solid food item and wrap it in a filter paper.
- Crush the food item carefully by using a small hammer and rub the crushed food on the paper.
- Remove the crushed food from the paper, and hold the paper towards a source a light.
- Presence of oily patches on the paper shows the presence of fats in the given food item.
Posted by Aradhya Kumari 5 years, 9 months ago
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Jaiveer Singh Singh 5 years, 9 months ago
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