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CBSE - XI Science - Chemistry
6.02 * 10ki power 20 molecules of urea are presentin 100ml of solution the concentration of urea solution is
Asked by puneetgarg2555
22nd May 2018,
7:16 AM
CBSE - XI Science - Chemistry
12.5g of fumming H2SO4 (labeled 112+) is mixed with 100 litre water calculate mole concentration of h+ in resultant solution
Asked by puneetgarg2555
22nd May 2018,
7:10 AM
CBSE - XII Science - Physics
Can you suggest way to approach a tricky question in physics like that from laws of motion or from fluids ?
Asked by minipkda
22nd May 2018,
6:44 AM
CBSE - XII Science - Chemistry
Sir, Can you give all the important equations in p and s block elements ?
Asked by minipkda
22nd May 2018,
6:42 AM
CBSE - XII Science - Chemistry
Corrosion is nessesarily a chemical reaction where what all changes occur and its cell reaction is...
Asked by minipkda
22nd May 2018,
6:04 AM
CBSE - XII Science - Physics
Assertion :- The cloud in sky generally appears to be whitish. Reason :- Diffraction due to clouds is efficient in equal measure at all wavelengths.
Asked by minipkda
22nd May 2018,
4:46 AM
CBSE - XII Science - Chemistry
Assertion :- NCl3 and Mg3N2 both on hydrolysis produce same colourless basic gas. Reason :- During hydrolysis, the nucleohile OH– will always attack on the central atom.
Asked by minipkda
21st May 2018,
10:45 PM
CBSE - XII Science - Biology
Assertion :- In sun-flower family petals are modified in to pappus. Reason :- Pappus helps in dispersal of flower.
Asked by minipkda
21st May 2018,
10:40 PM
