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CBSE->Plus 1 Computer Science Questions

Total Questions 228
What happens chemically when quick lime is added to water filled in a bucket?
Why do we store silver chloride in dark coloured bodies?
What happens when dilute HCL is added to iron filings?
What prevents backflow of blood inside the heart during contraction?
Name the organism in which food material is broken down outside the body and absorbed.
Can you please give the exact details of what happened in the landslide in Uttarakhand which was termed as 'Himalayan Tsunami'?
Draw a 'less than a give' for the following data: Class 1-4 4-7 7-10 10-13 13-16 16-19 Frequency 6 30 40 16 4 4
Verify if the mean, median and mode of the following data are 63,65 and 61.66 respectively.The data is given below- Class 0-20 20-40 40-60 60-80 80-100 100-120 120-140 Frequency 6 8 10 12 6 5 3 Please do try to give the answer as soon as possible
Mention any five practical uses of resistors and elaborate on each use in day-to-day life.
Explain briefly about soil and classification of soil.
Explain land degradation and give reasons for land degradation.
Explain the reasons for the popularity of novels in the eighteenth century.
the formula of bezene is c6h6 but as both have same valency should it be ch.please explain it in a simple way.
Explain the reasons for the popularity of novels in the eighteenth century.
WHICH OF THE FOLLOWING HAS GREATER VELOCITY?AND WHY? 1. SOUND 2. LIGHT
what is the velocity of sound in vaccum
What is meant by culmulative frequency? Can you briefly explain how we can find the median of grouped data?
In a retail market, fruit vendors were selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of the mangoes according to the number of boxes. Number of mangoes 50-52 53-55 56-58 59-61 62-64 Number of boxes 15 110 135 115 25 Find the mean number of mangoes kept in a packing box using the Assumed mean method. Please do try to answer this question as soon as possible.
A taken 3 hours more than b to walk a distance of 30km,but if a doubles his speed,he is ahead by 1 1/2 hours.find their original speed.
If two zeroes of the polynomial x³×x-6x³-26x²+138x-35 are 2, + or - ?3. Find other zeroes.