A ribbon of silvery white element when heated in a flame ,burns with a dazzling white light,and leaves a white powder .The white powder when dissolved in water turns red litmus .Answer the following .
a)is the solution of white powder acidic or alkaline?
b) Identify the element and the white powder obtained on it's burning.
c) what is the type of reaction that occurs during burning of the element?
Answers
Answered by
0
Answer:
The given element is magnesium and the white powder obtained on burning it is magnesium oxide. ... After the entire ribbon is burnt, it leaves a white powder behind, which is magnesium oxide (MgO).
Explanation:
Answer
a) Metal X is Magnesium (Mg).
b) Powder Y is Magnesium oxide, (MgO).
c) The substance with which metal X combines to form powder Y is Oxygen (of air), O
2
d) Substance Z is Magnesium hydroxide Mg(OH)
2
. Used as an antacid to relieve indigestion.
e) 2Mg+O
2
→2MgO
powder
Similar questions