Home
Class 7
BIOLOGY
Rearrange the following sentences in a c...

Rearrange the following sentences in a correct order (i) Add a few drops of dilute Iodine solution to the sample (ii) If the substance turns dark - blue or black it contains starch (iii) Prepare the dilute iodine solution .(iv) Take a sample of food item in the test tube

A

iv,i,ii,iii

B

iii,iv,i,ii

C

ii,iv,i,iv

D

i,iv,iii,ii

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Rearrange the following sentences is a correct order (i)Collect the white ash and dissolve it in a little water(ii) The red litmus turns into blue colour and so the solution is basic in nature. (iii) Burn a small piece of Magnesium ribbon by holding it with tongs(iv) Touch the solution formed and test this solution with blue litmus and red litmus.

Rearrange the following sentences in a correct order(i) A skimmer removes the floatable solids like oil and grease(ii) Solid like faeces settle at the bottom and are removed with a scraper.This is the sludge(iii) The water is allowed to settle in a large tank which is sloped towards the middle.(iv)Water so cleared is called clarified water

Arrange the following sentences in a correct order(i)Leaves of these plants are specially modified to trap insects. These plants grow in areas deficient In Nitrogen.(ii) A few plants manufacture their own food but also obtain a part of their Nutrition from insects.(iii) Droseras, Ubrloularda, Venustlytrap are examples of some such insectivorous plants.(iv) Hence they meet their Nitrogen requirements from insects.

Rearrange the following sentences in a correct order (i)You observe bubbles coming out with a hissing sound. Pass this gas through freshly prepared lime water(ii)Carbondioxide and Calcium Carbonate are formed. Hence it is a chemical change(iii)Take a tea spoon of vinegar in a test tube and odd a pinch of baking soda to it(iv)Lime water changes to milky white showing that the gas sent into the test tube is carbondioxide

The following statements about electro chemical series are i) the metals occupying top positions in the series do not liberate hydrogen with dilute acids ii) the substances which are stronger reducing agents and stronger oxidising agents are placed below & top respectively iii) a metal higher in the series will displace the metal from its solution which is lower in the series iv) various electrodes are arranged in a series in the descending order of their potentials The correct statements are The correct statements are

Which of the following is/are true about carbohydrates.(i) These are energy giving substances,(ii) These are tested with Iodine solution,(iii) These release chemical energy during oxidation,(iv) These are rich in Potato and food grains

Which of the following statements are correct for SO_(3) gas? I) It act are bleaching agent in moist conditions II) It's molecule has linear geometry III) It's dilute solution is used as disintectant IV) It can be prepared by the reaction of dilute H_(2)SO_(4) with Metal sulphide

Predict the products of electrolysis in each of the following: (i) An aqueous solution of AgNO_(3) with silver electrodes. (ii) An aqueous solution of AgNO_(3) with platinum electrodes. (iii) A dilute solution of H_(2)SO_(4) with platinum electrodes. (iv) An aqueous solution of CuCl_(2) with platinum electrodes.