Home
Class 11
CHEMISTRY
Consider the following statements : (i...

Consider the following statements :
(i) Zirconium - alizarins due is used for testing fluoride ions is water
(ii) Ozone layer is present in mesosphere
(iii) the poisonous gas present in the exhaust fumes of automobiles is Co
(iv) Taj Mahal is affected by `CO_(2)` gas
The correct statement are

A

(i) and (iii)

B

(i),(ii) ,(iii)

C

(i),(iii) and (iv)

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise EXAMPLAR PROBLEMS|12 Videos
  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise ASSERTION & REASON (CORNER)|15 Videos
  • ENVIRONMENTAL CHEMISTRY

    NCERT FINGERTIPS ENGLISH|Exercise MCQ (CORNER)|44 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • EQUILIBRIUM

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Read the following statements and choose the correct option (i) Aves are homothermous (ii) Pinnae are present in mammals (iii) Operculum is present in chondrichthyes (iv) Skin of amphibians is dry and horny . (v) Open type of circulation is found in cyclostomes

Consider the following statements (i-iv) each with two blanks . (i) Jellyfish exhibits (A) symmetry whereas cuttle fish exhibits (B) symmetry . (ii) Incomplete gut is present in (C ) whereas complete gut is present in (D) (iii) Closed circulatory is present (E ) whereas open circulatory system is present in (F) (iv) Flatworms are (G) whereas roundworms are (H) Which one of the following options , gives the correct fill - ups for both the blank numbers one of the above statements ?

Consider the following reaction and statements: [Co(NH_(3))_(4)Br_2]^(+)+Br^(-) to [Co(NH_(3))_(3)Br_3]+NH_(3) (I) Two isomers are produced if the reactant complex ion is a cis-isomer. (II) Two isomers are produced if the reactant complex ion is a tran-isomer. (III) Only one isomers is produced if the reactant complex ion is a tran-isomer. (IV) Only one isomers is produced if the reactant complex ion is a cis-isomer. The correct statements are :

Consider following statement regarding microspheres. (i) They were spherical in shape and 1-2 mum in diameter. (ii) They hand concentric double layered boundaries. (iii) They could grow in size but were not able to reproduce. (iv) They used ATP as source of energy. Which of the above statements is/are incorrect?

Consider the following statements with respect to respiration. (i) Glycolysis occurs in the cytoplasm of the cell. (ii) Aerobic respiration takes place within the mitochondria. (iii) Electron transport system is present in the outer mitochondrial membrane. (iv) C_(51)H_(98)O_(6) is the chemical formula of tripalmitin, a fatty acid. (v) Respiratory quotient =("Volume of"O_(2)"evolved")/("Volume of"CO_(2)"consumed") of the above statements

Consider the following statements - (i) Antiseptics are chemical substances which prevent the growth of microorganisms, (ii) Boric acid in dilute aqueous solution bis weak antiseptic for eyes, (iii) 0.2 percent solution of phenol is disinfectant , (iv) Iodine is a powerful antiseptic, The correct statement (s)

Read the following statements regarding muscle contraction (i) One ATP utillised for making and breaking of the cross bridge. (ii) The sarcomere lies between 2 Z-lines (iii) Troponin blocks the active sites in resting stage (iv) Ca^(++) ions help in unmasking active sites on HMM Choose the correct option

Consider the following four statements and select the correct option stating which ones are true (T) and which ones are false (F). (i) The scrotum acts as a thermoregulator, maintaining the testes at a temperature 2^(@) lower than that of the body (ii) Corona radiate layer of the ovum prevents polyspermy. (iii) Middle part of ear is derived from the endoderms layer. (iv) The hormone, human chorionic gonadotropin facilitates parturition by softening the connective tissue of the public symphysis.

Consider the following four statements and select the correct option stating which ones are true (T) and which ones are false (F). (i) The scrotum acts as a thermoregulator, maintaining the testes at a temperature 2^(@) lower than that of the body (ii) Corona radiate layer of the ovum prevents polyspermy. (iii) Middle part of ear is derived from the endoderms layer. (iv) The hormone, human chorionic gonadotropin facilitates parturition by softening the connective tissue of the public symphysis.