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CBSE->Std 9 Questions

Total Questions 1962
What do u mean by impulse of a force?
Why is it not possible for a man to walk in space??
is light a matter
what is military coup means?
why shiwaliks is called outer most range of the himalaya
THE ROWING SPEED OF A MAN IN STILL WATER IS 20KM/H. GOING DOWNSTREAM, HE MOVES AT A RATE OF 35KM/H. WHAT WILL BE THE RATE OF THE STREAM? IS IT 10KM/H.IF YES CAN YOU PLEASE EXPLAIN.
EXPLAIN THE TERM ACTIVE CITIZENS
WHAT IS COLLOIDS? WHAT IS THE DIFFERENCE BETWEEN TRUE SOLUTION AND COLLOID?
draw the graph of the equation x-y+1=0 and 3x+2y-12=0. determine the coordinate of the vertices of the triangle formed by these lines and the x axis?shade the triangular region?find the area of the triangle formed
the sum of digits of a tow digit number is 13.if the number is subtracted from the number obtained by interchanging the digit the result is 45.what is the number ?
what is fixed capital and working capital
how did writer compare the day and night from 10 chapter
why is magnesium cleaned before burning?
what is meant by respiration ?
what is resistivity
what do you mean by vulnarable species
"Destiny is determined by choice rather than chance" explain?
explain all the 8 states of matter
what is acid rain? how it cause?
how to do one minute speeches on the topics faith,determination,endurance,perseverance and courage each?