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
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
The vast resources of unutilized natural gas can be used in the production of 1 Graphite 2 Fertilizers 3 Synthetic petroleum 4 Carbide
The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these
What is the cytology ?
171.116.0.0 VLSM require 112 ip addresses answer = 128/23 255.255.254.0 rang 2 network address 172.116.0.0 gateway 172.116.1.0 broadcast 172.116.127.0
Who is the first female cosmonaut?
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
how is rrb model question paper for science junior engineer gr.II
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
Nuclear fission is caused by the impact of 1 Proton 2 Electron 3 Neutron 4 None of these
4 Answers Jharkhand Staff Selection Commission JSSC,
Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3
A super conductor is characterized by 1 Zero permeability 2 Low permeability 3 High permeability 4 Infinite permeability