The location and energy of an electron in an atom can be
specified by
1 Atomic mass
2 Atomic number
3 Quantum numbers
4 None of these
The human skull rests on which bone? a)Manubrium b)Atlas c)Mandible d)Sternum
What is light year?
Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide
Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei
The major ingredient of leather is 1 Carbohydrate 2 Collagen 3 Polymer 4 Nucleic acid
Which of the following gases is lighter than air? 1 Carbon dioxide 2 Oxygen 3 Ammonia 4 Chlorine
Quartz crystals normally used in quartz clocks etc. is chemically 1 Sodium silicate 2 Germanium oxide 3 Silicon dioxide 4 None of these
An element that does not occur in nature but can be produced artificially is 1 Thorium 2 Radium 3 Plutonium 4 Uranium
is there any device to convert to mechanical energy into electrical energy
Write two characteristics of Science.
0 Answers Mahatma Gandhi University,
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?