Soap is a mixture of sodium or potassium salts of
1 Monocarboxylic acids
2 Glycerol’s
3 Dicarboxylic acids
4 Tricarboxylic acids
atoms are composed of Electrons & Protons or Electrons & Protons ?
Can you suppy extrusion in anodined pointed condition?
In which year, atmospheric observations using balloons started?
Which scientist made detailed study on novae?
Which of the following is a good nuclear fuel? 1 Uranium-238 2 Neptunium-239 3 Thorium-236 4 Plutonium-239
WHAT IS THE FUNCTION OF NIKEL IN CHEMICAL REACTION
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 did the most luminous nova appear?
Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue
The type of glass used in making lenses and prisms is 1 Soft glass 2 Pyrex glass 3 Jena glass 4 Flint glass
What is one light minute?
what are the advantages and disadvantages of empirical knowledge?