Advertisements
Advertisements
प्रश्न
What is the valency of :
carbon in CH4
Advertisements
उत्तर
Valency of carbon in CH4 is +4.
APPEARS IN
संबंधित प्रश्न
Balance the given equation:
Mg(OH)2 + HCI MgCI + H2O
Convey the following information in the form of a balanced chemical equation:
"An aqueous solution of ferrous sulphate reacts with an aqueous solution of sodium hydroxide to form a precipitate of ferrous hydroxide and sodium sulphate remains in solution."
One of the following is an exothermic reaction. This is:
(a) electrolysis of water
(b) conversion of limestone into quicklime
(c) process of respiration
(d) process of photosynthesis
What is a chemical equation?
Balance the following equation :
Fe + O2 → Fe3 O4
What do the following symbol stand for?
2H2
Write the chemical equation for the following word equation and balance them.
Calcium oxide + Carbon dioxide → Calcium carbonate
Write word equation for the following molecular equation:
CaO + H20 → Ca (OH)2 + Δ
Word equation:
State why [+ Δ ] is not written in the reaction, if ZnO reacts with H2O.
Explain the term ‘chemical equation’.
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
