Quartz crystals normally used in quartz clocks etc. is
chemically
1 Sodium silicate
2 Germanium oxide
3 Silicon dioxide
4 None of these
Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat
Which of the following metals was first discovered by man? 1 Bronze 2 Silver 3 Iron 4 Copper
Potassium nitrate is used in 1 Salt 2 Glass 3 Fertilizer 4 Medicine
Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these
The wavelength of X-ray is of order of 1 1 cm 2 1m 3 1 Angstrom 4 10 micron
What would happen had there been no chlorophyll in the green leaves?
What is practical frequency. ? How create a frequency band?
I am a student of class 12. PCMB group. I am not getting admission in any of the medical colleges. And I am not good at math. So what are the options available for me????
What is the microbiology ?
precautions to be observed while using electrical equipment
Explain the Aesthetic and Moral values of Science
0 Answers Mahatma Gandhi University,
the place where maximum sunlight is present in december . 1. chennai 2.koimbatur 3.banglore 4. kanyakumari