An atom of an element with mass number 23 and atomic number
11 will have
1 11 neutrons, 12 protons and 11 electrons
2 11 protons, 12 neutrons and 11 electrons
3 11 neutrons, 11 protons and 12 electrons
4 23 protons and 11 electrons
what are the advantages of interrupt and exception?
Terls was dedicated to u.n as an international institution?
The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these
Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
BARC CHIF
Bagasse, a by-product of sugar manufacturing industry, is used for the production of 1 Nylon 2 Glass 3 Paper 4 Alcohol
Which of the following fertilizers leaves acidic residue? 1 Urea 2 Ammonium phosphate 3 Ammonium sulphate 4 None of these
Who commanded the challenger’s first flight?
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin
Label the following types of erosion in order by their ability to transport materials. Wind erosion, water erosion, glacial erosion, plant/animal erosion.
The process by which an organic compound breaks down into simpler compounds on heating to high temperature is known as 1 Armatisation 2 Polymerization 3 Pyrolysis 4 Reduction