Question
One kilogram of ice at 0° C is mixed with one
kilogram of water at 85° C. The final temperature of the mixture is (Tale specific heat of water = 4200 J kg-1K-1, latent heat of ice = 336 kJ Kg-1)Solution

Sphagnum is an important bryophyte. Consider the following statements about it:
- It is a chief constituent of peat. ...
What is the chemical name of baking soda?
What is the common characteristic of elements in the same group of the periodic table?
Which polymer is formed by the copolymerization of phenol and formaldehyde?
What is the hybridization of carbon in ethyne (Câ‚‚Hâ‚‚)?
Which of the following substances will turn red litmus paper blue?
Naphthalene balls, commonly used as a pest repellent, are derived from which source?
What is the chemical formula of rust?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
What is the colour of the outer zone of complete combustion of candle flame?