A with the appropriate (7 mark" of the in
Heat liberated by a reaction Tesl for solßhiiity Of Enrnoma soda copper (tiif Chlorir* experiment (iv) assigned by negauve sign
Sulphur trioxide (v) NOH
Chocking unpleasant smell (vi) brass
Strength of acid (vii) a white solid below i TC
(8 marks) S. Define the following:
Atomic number
Pressure of
Standardization (d) Conductor
(e) Reducing agent
Rate of reaction
(g) Potential energy
(h) Conjugate base
SECTION (B)
Answer ALL questions (2 marks) (a) What type of bond is fonned between :NH3 and BF3? Write down the electron dot-cross formula of the compound formed.
(b) Which theory represents the given statement? Give the mathematical expression.
'At the same temperature and pressure equal volumes of all gases contain same number of molecules'.
(c) How docs calcium carbide react with water? Give equation in words and symbols.
(d) Write down the reactions at zinc and copper electrodes in chemical cell using dilute sulphuric acid.
(e) Select the oxiditjng agents and reducing agents from the following.
(f) What are source of plant nutrients?
