Value of x, x grams of calcium carbonate was completely burnt in air.the we...

x grams of calcium carbonate was completely burnt in air.the weight of solid residue formed is 28 g.what is the vlue of x in grams?

.bohr''s atomic model, what were the drawbacks of bohr''s atomic theory

what were the drawbacks of bohr''s atomic theory

Ionic bond,

The quantum numbers for the outermost electron of an element, The quantum n...

The quantum numbers for the outermost electron of an element are given below as n= 1, l=0, m=0, s = 1/2  . The atoms is: (1) Lithium (2) Beryllium (3) Hydrogen     (4)

Imparting health benefit, Q. Name the types of food in which onion or garli...

Q. Name the types of food in which onion or garlic can be used for imparting health benefit. Bakery products, imitation meats and sausages and meat pies are the types of foods

Stereoisomers, how to draw 3D stereoisomers for a compound?

how to draw 3D stereoisomers for a compound?

S block elements in the modern periodic table, How many gaseous elements ar...

How many gaseous elements are there in the s block of modern periodic table? What are they??

Show redox reactions as electron transfer, Q. Show Redox Reactions as Elect...

Q. Show Redox Reactions as Electron Transfer? Ans. Oxidation is a process where electrons are lost, and reduction is a process where electrons are gained. For example,

Qualitative analysis, principle of qualitative analysis of funcional group

principle of qualitative analysis of funcional group

Metallurgy, Write down the reactions taking place in different zones in the...

Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.