Difference in Mendeleevs table and modern periodic table
Briefly describe the difference in the Mendeleev’s table and modern periodic table?
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Periodic table is now arranged in the order of raising atomic numbers. Furthermore, it is stated that the modern table makes it simpler to read and learn. The manner that it is set up now permits scientists to make modifications whenever essential.
Select the right answer of the question. Molar solution contains: (a)1000g of solute (b)1000g of solvent (c)1 litre of solvent (d)1 litre of solution
what is the meaning of fourth power of valency of an active ion?
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
Superphosphate has the formulate: CaH4 (PO4)2 H2O calculate the percentage of Phosphorus in this chemical. Show your calculations
Provide solution of this question. Which of the following concentration factor is affected by change in temperature : (a)Molarity (b) Molality (c)Mole fraction (d)Weight fraction
Choose the right answer from following. If 0.50 mol of CaCl2 is mixed with 0.20 mol of Na3PO4, the maximum number of moles of Ca3 (PO2)2 which can be formed: (a) 0.70 (b) 0.50 (c) 0.20 (d) 0.10
living beings are made up of organic and inorganic substances.according to their complexity of their molecules how can ach of these substances be classified?
What type of bond does HCl encompass? Describe briefly?
Can you please illustrate that HCl is polar or non-polar? Briefly illustrate it.
The first method begins with a well defined layer, or boundary, of solution near the center of rotation and tracks the movement of this layer to the outside of the cell as a function of time. Such a method is termed a sedimentary velocity experiment. A
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