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CBSE->Std 10 Questions

Total Questions 2595
explain the trigonometric identities.
is all combination reaction an exothermic reaction and all decomposition reaction a thermal decomposition?
who was Salvador Allende ?
why is ice at 273k more effective in cooling than water at the same temperature
what is meant by corollary theorem?
who is the tourist minister of kerala?
WHAT IS GREAT YEAR OF DEPRESSION?
what is radian?
Evaluate:sin25cos65+cos25sin65
sir,can you please explain the technique of chromatography?also describe how can we separate coloured components of an ink?
what happens when a beam of light is passed through a colloidal solution ?
how could i find the root of numbers
SIR,CAN U PLEASE HELP ME TO DERIVE EQUATIONS RELATED TO GRAVITATION: 1)NEWTONS UNIVERSAL LAW OF GRAVITATION(F=GMm/d square) 2)FREE FALL(g=G M/R square) 3)WEIGHT OF AN OBJECT ON MOON
In a school there are two section A and B of class X. There are 48 students in section A and 60 students in Section B. Determine the least number of books required for the library of the school so that the books can be distributed equally among the students.
Find the zeroes of p(x) = 2x2-x-6 and verify their relationship with the coefficient.
If 4cosA = 11sinA, then 11cosA - 7 sinA / 11 cosA+7sinA =?
If secA + tanA = 7, then find secA - tanA.
Find the condition that zeroes of polynomial p(x)= ax2 + bx + c are reciprocal to each other.
Can two numbers have 15 as their HCF and 175 as their LCM? Give reasons.
NAME THE PROCESS OF LARGE ENERGY PRODUCTION IN THE SUN?