Spirit burns quickly like petrol but sodium metal and white phosphorous burns without any ignition.Complete the following table and rewrite it in the table,”

An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained is given in the following table: Find the probabilities of the following events for a driver chosen at random from the city: (i) The driver being in the age group 18-29 years and having exactly 3 accidents in one year. (ii) The driver being in the age group of 30-50 years and having one or more accidents in a year. (iii) Having no accidents in the year.

An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained is given in the following table: Find the probabilities of the following events for a driver chosen at random from the city: (i) The driver being in the age group 18-29 years and having exactly 3 accidents in one year. (ii) The driver being in the age group of 30-50 years and having one or more accidents in a year. (iii) Having no accidents in the year.

Think about the following changes and decide whether they are physical or chemical changes. Write the type of change and reasons for that in the table.(a) Twinkling of stars (b) Cooking of vegetables (c) Cutting of fruits (d) Rusting of iron(e) Combustion of magnesium ribbon (f) Burning of candle

With reference to the periodic table, name the following : (a) the halogen in the fifth period, (b) the non-metal having porperties similar to phosphorous and (c) the most reactive metal of third period.

The correct order of the following sentences is1) Insert a glass tumbler over it, 2) Then flickers and finally, flame goes off,3) Take a small burning candle and put it on a table, 4) The candle continues to burn for some time

Observe the following table carefully . {:("Test tube","Hard water","Soap"//"detergent is added","Observation (After shaking 5 min)"),(P,10 m,"Soap (5 drops)","White curd like scum is formed"),(Q,15 ml,"Detergent(5 drops)","White curd like scum is formed"),(R,8 m,"Soap (5 drops)","Lot of leather is formed"),(S,12 m,"Detergent (15 drops)","Lot of leather is formed"):} Which test - tube give correct result among these ?