The combustible material at the tip of a safety match sitck is
1 Sulphur
2 Manganese dioxide
3 Phosphorus
4 Antimony sulphide
Answers were Sorted based on User's Feedback
Which of the following substances undergoes chemical change on heating? 1 Sodium chloride 2 Silica 3 Lead nitrate 4 Platinum wire
The Contact Process is involved in the manufacture of 1 Nitric acid 2 Sulphuric acid 3 Ammonia 4 Caustic soda
A mixture of salt and sand can be separated by 1 Sublimation 2 Dissolving in water 3 Gravity separation 4 Dry distillation
Epoxy resins are used as 1 Moth repellants 2 Insecticides 3 Detergents 4 Adhesives
Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power
Terls was dedicated to u.n as an international institution?
Amalgams are 1 Alloys which contain carbon 2 Alloys which have great resistance to abrasion 3 Alloys which contain mercury as one of the contents 4 None of these
How can i describe the blood?
Water is a good solvent of ionic salts because 1 It has no colour 2 It has a high boiling point 3 It has a high dipole moment 4 It has a high specific heat
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?
Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?