When was the indian made rocket “ rohini ” launched from thumba?
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When was the indian made rocket “ rohini ” launched from thumba?
How can i describe the blood?
The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these
Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
Which of the following is called a strategic metal? 1 Silicon 2 Germanium 3 Titanium 4 Uranium
Names of some plants and trees that sleep during the day
Which of the following metals react with nitrogen at room temperature to form nitride? 1 Sodium 2 Potassium 3 Magnesium 4 None of these
When and where was the tata institute of fundamental research founded?
Which variety of glass is heat resistant? 1 Hard glass 2 Flint glass 3 Pyrex glass 4 Bottle glass
What are soaps? 1 Salts of silicates 2 Esters of heavy fatty acids 3 Sodium or potassium salts of heavier fatty acids 4 Mixture of glycerol and alcohols
Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
Detergents used for cleaning clothes and utensils contain 1 Nitrates 2 Bicarbonates 3 Sulphonates 4 Bismutnates