In laundry soaps, a material called ‘filler’ is used. Which
of the following is a ‘filler?
1 Talc
2 Sodium silicate
3 Soda ash
4 Sodium phosphate
What is the Biology ?
Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition
Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 Answers ACIO, Infosys, ptet,
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
Ozone attacks 1 Mercury and silver 2 Copper 3 Silver and iron 4 None of these
Study Of Life in outer space is known As
Where Meson particles are found in ?
A mixture of salt and sand can be separated by 1 Sublimation 2 Dissolving in water 3 Gravity separation 4 Dry distillation
Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide
The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these
What is the cytology ?
Which is the regulatory authority of atomic energy in india?