In a fast breeder reactor, U-238 gets converted to
1 U-235
2 U-237
3 Co-60
4 Plutonium-239
what are the advantages and disadvantages of rational knowledge?
Marsh gas is 1 Hydrogen 2 Nitrogen 3 Methane 4 Ethane
When was the first rocket launched from thumba?
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
Which of the following elements is obtained from sea weeds? 1 Argon 2 Sulpur 3 Vanadium 4 Iodine
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
When and where was the tata institute of fundamental research founded?
Which among the following is a positively charged particle emitted by a radioactive element? 1 Alpha ray 2 Beta ray 3 Gamma ray 4 Cathode ray
The property of a substance to absorb moisture from the air on exposure is called 1 Osmosis 2 Dessication 3 Efflorescence 4 Deliquescence
The major ingredient of leather is 1 Carbohydrate 2 Collagen 3 Polymer 4 Nucleic acid
Who was the first cosmonaut?
How does a RCCB work? Difference between ELCB & RCCB?