Q.12601·Miscellaneous·2013·EasyCalcium ammonium nitrate (CAN) is a popular nitrogen fertilizer because it isView question
Q.12602·Miscellaneous·2013·EasyChromium oxide is used as an ingredient in paints to obtainView question
Q.12603·Miscellaneous·2013·EasyA mixture of sodium chloride and naphthalene can be separated byView question
Q.12604·Miscellaneous·2013·EasyThe pH of the solution obtained by dissolving pure sodium chloride in water isView question
Q.12605·Miscellaneous·2013·EasyOxygen on reaction with non-metals forms oxides, which areView question
Q.12607·Miscellaneous·2013·EasyTwo reactants in a flask produce bubbles of gas; it turns lime water into milky. The reactants in the flask areView question
Q.12608·Miscellaneous·2013·EasyWhat is the vector perpendicular to both the vectors i - j and i ?View question
Q.12609·Miscellaneous·2013·EasyThe position vectors of the points A and B are respectively 3i - 5j + 2k and i + j - k . What is the length of AB?View question
Q.12610·Miscellaneous·2013·EasyThe vectors i - 2xj - 3yk and i + 3xj + 2yk are orthogonal to each other. Then the locus of the point (x, y) isView question
Q.12611·Miscellaneous·2013·EasyWhat is the value of p for which the vector p(2i - j + 2k) is of 3 units length?View question
Q.12612·Miscellaneous·2013·EasyIf a = 2i + 2j + 3k, b = -i + 2j + k and c = 3i + j are three vectors such that a + tb is perpendicular to c , then what is t equal to?View question
Q.12613·Miscellaneous·2013·EasyThe mean of 20 observations is 15. On checking, it was found that two observations were wrongly copied as 3 and 6. If wrong observations are replaced by correct values 8 and 4, then the correct mean isView question
Q.12614·Miscellaneous·2013·EasyThe arithmetic mean of the squares of the first n natural numbers isView question
Q.12615·Miscellaneous·2013·EasyConsider the following statements : 1. Both the regression coefficients have same sign. 2. If one of the regression coefficients is greater than unity, the other must be less than unity. Which of the above statements is/are correct?View question
Q.12616·Miscellaneous·2013·EasyWhich one of the following measures is determined only after the construction of cumulative frequency distribution?View question
Q.12618·Miscellaneous·2013·EasyIf three events A, B, C are mutually exclusive, then which one of the following is correct?View question