Question
3 men dig a hole in 10 days. How many days would it take
for 5 men to dig the same hole ?Solution
(M1 x D1)/W1 = (M2 x D2)/W2 (3 x 10)/1 = (5 x D)/1 D = 6 days
The anode in a dry cell consists of:
Acid rain is caused due to pollution of the atmosphere by:
The Boiling Point of a liquid varies with the variation in…………...?
The speed of light with the rise in the temperature of the medium :
Which gas is produced due to incomplete combustion of fuel?
Which of the following is a noble gas ?
In the synthesis of aspirin (acetylsalicylic acid) from salicylic acid, which reagent is used?
What is the chemical formula of rust?
Magnesium has atomic number as 12. Find out its valiancy.
Which of the following does not give effervescence with sodium carbonate?