The pH of a solution, whose hydrogen ion concentration is $1 x 10^{-5}$ mole per litre, will be ____
1). 6
2). 5
3). 4
4). 7
Which of the following is NOT the combined form of carbon?
1). Chalk
2). Marble
3). Diamond
4). Dolomite
Which of the following is not a voluntary action ?
1). Moving a chair
2). Beating of heart
3). Closing of fist
4). Taking an object
In a triangle ABC. right angled at B. BC=15cm. and AB=8cm. A circle is inscribed in
triangle ABC. Then the radius of the circle is:
1). 2cm
2). 4cm
3). 1cm
4). 3cm
In a certain code, if DOG is written as 4157, then what will MAT be written as ?
1). 12120
2). 13012
3). 13120
4). 14120