A Milk of brand ‘ Xello Milk’ contains milk and water only, ratio of milk to water is 3:2. Milk of brand ‘Yello Milk’ contains milk and water only , ratio of milk to water is 7:4. A new brand of milk “Zecow Milk’ is created by mixing 'Xello milk' and 'Yello milk' in ratio of 2:11. A Sample of 650 ounces taken from 'Zecow' will contain how many ounces of milk?
Answers
Answer:
15. Which of the following salts can produce only two types of radicals?
Options:
(a)
NaKCO3
(b)
CaOCl2
(c)
NH HSO 4 4
(d)
Na NH HPO 4 4
16. The weight of an empty China dish is 39 g and when a saturated solution of potassium
nitrate is poured into it, its weight is 108 g at
50C
. After evaporating the solution to
dryness, if the weight of the dish along with the crystals is 72 g then the solubility of
potassium nitrate at
50C
is _____.
Options:
(a) 83.9
(b) 95.6
(c) 91.6
(d) 87.4
17. If the roots of the quadratic equation
2
ax bx c 0
are
and
, then the equation
whose roots are
2
and
2
is
Options:
(a)
2 2 2 2 a x b ac x c 2 0
(b)
2 2 2 2 a x b x c 0
(c)
2 2 2 2 a x b ac x c 2 0
(d)
2 2 2 2 a x b ac x c 2 0
18. If
2 2