Enfant India English School
Marks-10.
std-10
Sub-science1
Q.A) Attempt the following questions carries TWO marks. (6)
Q.1) State modern periodic law.
Q.2) Define Alkane and Alkene
Q.3) Draw the structure of Methane and Ethylene
Q.4) Write down electronic configuration of Carbon and Sodium
Q.B) Attempt any one of the following questions. (04)
Q.1) Write down merits and demerit of Mandleev's periodic table
Q.2) Write down formulas
a) Aldehyde
b) Ketone
c) Carboxylic acid
d) Amine
