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Kerala (English Medium)->Std 9 Questions

Total Questions 530
WHAT IS FIRE? A SOLUTION,A COLLOID, OR A SUSPENSION ?
what is the difference between saturated and supersaturated solutions?
O is the midpoint inside triangle ABC . AB,PQ,and CR are the lines through the midpoint of O .Find the peculiarities: a)If AP,BQ,CR are the angle bisector b)If AP,BQ,CR are the median c)If AP,BQ,CR are the altitude d)If AP,BQ,CR are any three lines
GIVE SOME POINTS ABOUT ARTICLE 377.
Is there an acid more dangerous than sulphuric acid? I have heard something like perchloric scid....
"4 kg of rice and 2 kg of sugar cost 168 rupees. At the samerate,6kg of rice and 3kg of sugar cost 252 rupees. Can you find the price per kg of each?".To Anu's question Hasina replied "using this data it is impossible to find the cost of each item". Explain why Hasina said so.
When asked to draw a rectangle of perimeter 40centimetres,children draw rectangles of various sizes.But, when asked to draw a rectangle of perimeter 40 centimetres, with length 6 centimetres more than the breadth, al1 children ended up with rectangles of the same size. Explain the reason.Also find the Iength and breadth of the second rectangle
what is bone marrow?
2(x+x+x+6+6+4+4x+9x-x) = ?
write the character sketch of swamiji?
In triangle PQR, A and B are the midpoints of QR and PR respectively.If AC=3 cm and CQ=8cm, find the length of PC and BC . Please see this link for the image. https://drive.google.com/file/d/0B1WQDP19uyTWMXh0RGRCWEdpd1U/edit?usp=sharing
A person of height 1.6 meters stands in front of a lighted electric post of height of 20 meter. If the shadow is of length of 4 meter, how far is the person from the foot of the post ? Please see this link for the image. https://drive.google.com/file/d/0B1WQDP19uyTWeWdtWWdfZFRqTWM/edit?usp=sharing
A person of height 1.6 meters stands in front of a lighted electric post of height of 20 meter. If the shadow is of length of 4 meter, how far is the person from the foot of the post ?
1) In triangle PQR, A and B are the midpoints of QR and PR respectively.If AC=3 cm and CQ=8cm, find the length of PC and BC . Please see this link for the image of triangle. https://drive.google.com/file/d/0B1WQDP19uyTWUWZaTVBWeDUxc0E/edit?usp=sharing
What is the difference between an ocean and a sea?
Two angles of a triangle are 30 degree and 60 degree. if the largest side is Cm long, find the area of this triangle(please do it step by step i beg you)
which tissue can be seen in the coconut shell and coconut fibre ?
How are plants benefited by diversity in parenchyma
What Is Known As Bermuda Triangle?
WHAT IS KNOWN AS BERMUDA TRIANGLE ?