What type of substance burns with a flame ? Can the answer be metals ??
What type of fuels : (a) burn with a flame? (b) burn without a flame?
(a) What is a flame? What type of substances, on burning, give a flame?
(b) What is the difference between the burning of a candle and the burning of a fuel like coal ?
A silvery-white metal X taken in the form of ribbon, when ignited, burns in air with a dazzling white flame to form a white powder Y, When water water is added to power Y, it dissolves partially to form another substance Z.
(a) What could metal X be ?
(b) What is power Y ?
(c) With which substance metal X combines to form powder Y ?
(d) What is substance Z ? Name one domestic use of substance Z.
(e) Write a balanced chemical equation of the reaction which takes place when metal X burns is air to form powder Y.