Find the odd one:
1 Marble
2 Chalk
3 Limestone
4 Slaked lime
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Where did the largest reflector telescope situated?
Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these
Gypsum is added to cement clinker to 1 Increase the tensile strength of cement 2 Bind the particles of calcium silicate 3 Decrease the rate of setting of cement 4 Facilitate the formation of colloidal gel
Which of the following shows the masses of three elementary particles in decreasing order? 1 Mesons, Baryons, Leptons 2 Leptons, Baryons, Mesons 3 Baryons, Mesons, Leptons 4 Leptons, Mesons, Baryons
The element required for solar energy conversion is 1 Beryllium 2 Silicon 3 Tantalum 4 Ultra pure carbon
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium
define cartography?
Which is the largest comet?
What is the colouring matter in plants called
Why is it necessary to cook food ?
Which are the research centres of department of atomic energy?
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these