half yearly exam class 12 chemistry paper full solution/12 chemistry full solution half yearly paper

NEET 2021 physics paper solution

11th class English model paper solution

Can colloidal solutions be filtered through normal filter papers ?

Give the chemistry of sliver mirror test and Fehling solution test for glucose.

Calculate the amount and compound interest on (a) Rs 10,800 for 3 years at (12) 1/2% per annum compounded annually. (b) Rs 18,000 for (2)1/2 years at 10% per annum compounded annually. (c) Rs 62,500 for (1)1/2 years at 8% per annum compounded half yearly. (d) Rs 8,000 for 1 year at 9% per annum compounded half yearly. (You could use the year by year calculation using SI formula to verify). (e) Rs 10,000 for 1 year at 8% per annum compounded half yearly.

An acid turns blue litmus paper or solution ________

In how many types ways can five different examination papers of maths, physics, chemistry, computer an physical education be arranged so that physics and chemistry papers never come together.

Which compound now-a-days is used to bleach clothes and papers to promote green chemistry in day-to-day life

In a class of 55 students the number of students studying subjects are , 23 iin Mathematics 24.in physics 19in chemisty 12 in Mathematics and physics ,9 in Mathematics and chemistry ,7 in physics and chemistry and 4 in all the three subjects. the number of students who have taken ecactly one subject is

In the half yearly examination of class IX of a school, the mean marks scored by the boys is 52 and the mean marks scored by the girls is 48. If on the whole, the mean marks of the calss is 50.5, find the ratio of the number of boys to the number of girls in the class.