The neutral atom’s two isotopes differ in the number of
1 Electron shells
2 Protons
3 Valence electrons
4 Neutrons
What is one light hour?
Difference between Respiration and Photosynthesis ?
1.what is a pasacline?who invented it? 2.who was the first man to go into space?
The ore of which of the following metals can be concentrated by hydraulic washing? 1 Tin 2 Sodium 3 Iron 4 Manganese
we know in mathematics that a matrix is an arrangement (array) of different elements , memebers . Then, how does the movie "Matrix" relate with this concept. In movie "Matrix" we have seen that it shown a war between machines & humans. And we know to operate machines we need code like 0 1 & 1 0 . How ? explain ?
Who propounded the signs of the zodiac?
The element found on the surface of the moon is 1 Tin 2 Tungsten 3 Tantalum 4 Titanium
Atoms of an element differ from those of all other elements in 1 Atomic number and electronic configuration 2 Atomic number and number of valence electrons 3 Number of neutrons and electronic configuration 4 None of these
In modern science, what is 'fourth dimension'?
Cooking oil can be converted into vegetables ghee by the process of 1 Oxidation 2 Hydrogenation 3 Distillation 4 Crystallization
When did india conduct three under ground nuclear tests?
What are vitamins ? describe different kinds of vitamins