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This of the following is an electrovalent linkage: (1) CH 4 (2) MgCl 2 (3) SiCl 4 (4) BF 3 Ans: MgCl
ionic equation for potassium dichromate and potassium manganate
Q. Explain about Chemistry and Matter? Chemistry is the study of matter as well as the changes that it undergoes. Matter is anything which has mass and takes up space. Mas
Question 1: (i) What are the main physical properties of hydrogen sulphide? (ii) Which occupational group of workers is often exposed to hydrogen sulphide? (iii) O
Q. What do you mean by Dehydration? The word dehydration usually refers to the use of controlled conditions of heating, with the forced circulation of air/artificial dryer as
What are the basic physical and chemical properties of this group
when a 0.800g sample of cacl2 is dissolved in 9.85g of water in a microscale calorimeter, the temperature of the solution rose from 23.4 to 35.8
Q. How to determine wavelength of electromagnetic waves? The frequency as well as velocity of a wave determines its wavelength the distance between equivalent points on a con
After making an ester by heating a carboxylic acid with alcohol in the presence of concentrated sulfuric acid, water is added to the mixture and the ester seperates out as oily lay
The K sp of the phosphate fertilizer CaHPO 4 .2 H2O is 2.7 x 10 -7 at 25 o C. What is the molar concentration of a saturated solution? What mass of this compound will dissolve
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