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How does common salt help in separating soap from the solution after saponification? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 None of these
1 4046Which 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 16856Polythene 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 14517What 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 5385Post New General Science Questions
where is the indragandhi furnal in delhi, who is bulit in krishna sagar dam
hai sir pls send me Appsc Assistant Statistical Officer(ASO) previous papers. And Apsrtc MST previous papers. Thanks you sir.
hai i am koti reddy panta.studying 3rd mca.i failed in my degree. shell i consider those subjects as backlogs
When did india conduct three under ground nuclear tests?
what is center of gravity?
we know in mathematics that a matrix is an arrangement (array) of different elements , memebers . Then, how does the movie "Matrix" relate with this concept. In movie "Matrix" we have seen that it shown a war between machines & humans. And we know to operate machines we need code like 0 1 & 1 0 . How ? explain ?
When was the indian made rocket “ rohini ” launched from thumba?
Which is india’s primary nuclear facility?
meron po bang minerals ang astoroids po ba?
What are pulsars?
List out the General Objectives of teaching Physical science at Primary stages.
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
When was the first american rocket launched?
In modern science, what is 'fourth dimension'?
if appointed at aryabhatt school for how long should we expect you work with us
