Diamond is harder than graphite because of
1 Difference of layers of atoms
2 Tetrahedral structure of diamond
3 Difference of crystalline structures
4 None of these
Answers were Sorted based on User's Feedback
what are the advantages and disadvantages of rational knowledge?
which croup is sown on the largest area in india? 2)holandric genes occur exclusiely on? 3)
Galvanized iron sheets have a coating of 1 Tin lead 2 Zinc 3 Chromium 4 Lead
Why is it necessary to cook food ?
it is not advisable to sleep under a tree at night becouse trees release
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
Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium
whate is the difference b/w aflatoxions&ocharatoxions
0.005M K2Cr2O7 solution for calibration of UV.why 0.005M K2Cr2O7?
The ratio of pure gold in 18 carat gold is 1 60% 2 75% 3 80% 4 100%
3 Answers DSSSB-Delhi Subordinate Service Selection Board,
Which of the following types of photons has the highest energy? 1 Visible radiations 2 Radio waves 3 Gamma rays 4 X-rays