Question
How is starch detected in
milk?Solution
Starch in milk is detected by boiling the sample, cooling, and adding a drop of 1% iodine solution, resulting in a blue color.
What is the probability that the cards drawn contains 1 red card, 1 purple card and 1 yellow card?
A bag contains 20 black and 22 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...The probability of selecting a rotten egg randomly from a basket of 250 eggs is 0.2. What is the number of rotten eggs in the basket?
- A bag contains 5 red balls, 7 green balls, and 6 blue balls. Two balls are drawn at random. Find the probability that the two balls are green.
The names of 17 students from section A, 18 students from section B and 19 students from section C were selected. The age of all the 54 students was dif...
A bag contains 13 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find...
- The ratio of green to yellow balls in a basket is 5:7. If 15 balls of each color are added, the ratio becomes 2:3. How many yellow balls were originally th...
A box contains 5 red, 6 green and 3 yellow balls. 2 balls are drawn at random. What is the probability that they are not of the same colour?
If a coin is tossed 10 times then what is the probability of getting three heads?
- A bag contains ‘x’ blue balls and 9 yellow balls. If the probability of getting a blue ball is 3/4, then find the probability of getting different colo...
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