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Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
SSC,
3 15399The major constituents of Portland cement include 1 Lime, silica and iron oxide 2 Lime, silica and magnesia 3 Silica, alumina and magnesia 4 Lime, silica and alumina
1 9979Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these
DRDO,
2 16857Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene
3 18792Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal
NTS,
1 14518What is condensation? 1 Change of gas into solid 2 Change of solid into liquid 3 Change of vapour into liquid 4 Change of heat energy into cooling energy
2 4097Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron
1 8922Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition
2 5385A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation
SSC,
4 28373A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent
HLL,
1 10187
Why do leaves change color?
What is the diference between residual solvents and organic volatile matter
DMSO or Ethanol which is relatively less toxic to cells?
What is parasitism?
which side of a tree does moss grow?
What is the meaning of the name orangutan?
How does pediatric neurology differ from adult neurology, and what considerations are important when diagnosing and treating neurological disorders in children?
What is soil horizon? : soil science
What is aligners for teeth?
Delay in receiving offer letter? Dear All, Recently I clear all technical and HR round with one good MNC. I've submitted my scan document of qualification and work experience. Evenafter 2 weeks of sending documents, they didn't release the offer letter. Please suggest me effective email contents to deal them. Thank You
What is the molecule responsible for the absorption of photic energy for photosynthesis?
What is a florence flask?
What is the effect of heavy metal concentration on algae?
what are the problems of primary culture transfection ?
What are peritoneum?
