In an atomic nucleus, neutrons and protons are held together by
1 Gravitational forces
2 Magnetic forces
3 Exchange force
4 Coulombic forces
what are the sociological theories apply in pakistani society?
The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium
The average salinity of sea water is 1 2% 2 2.5% 3 3% 4 3.5%
The ore of which of the following metals can be concentrated by hydraulic washing? 1 Tin 2 Sodium 3 Iron 4 Manganese
What are the aluminium alloys that you supply?
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
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
name all the density all cloth,metals,materials?
Name any two modern branches of Physical Science
0 Answers Mahatma Gandhi University,
a private address 172.116.0.0 will borrow ? bits from the HOST to give one 120 subnets - range = ?
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
Which of the following reagents gives a silver mirror test when added to aldehydes? 1 Fehling’s solution 2 Tollen’s Reagent 3 Ebaeyer’s Reagent 4 Nessler’s Reagent