>
questions
List of practice Questions
Which of the following alkyl halides will undergo
$S_N1$
reaction most readily?
Chemistry
Haloalkanes and Haloarenes
Which of the following alkynes can be identified and distinguished from the rest of the alkynes on reaction with ammoniacal silver nitrate to gave a white precipitate?
Chemistry
Hydrocarbons
Which of the following alcohol is least soluble in water ?
Chemistry
Alcohols, Phenols and Ethers
Which of the following alcohols is dehydrated most easily with conc.
$H_2SO_4$
?
Chemistry
Alcohols, Phenols and Ethers
Which of the following alkali metal carbonates gives
$CO_2$
on heating as well as on treating with acids ?
Chemistry
GROUP 1 ELEMENTS
Which of the following act as photosensitizer during photosynthesis ?
Chemistry
Biomolecules
Which of the following acts as a self-indicator?
Chemistry
Redox reactions
Which of the fo llow in g statements regarding baculoviruses as biocontrol agents is/are correct?
Biology
Microbes in human welfare
Which nitrate will decompose to give
$NO_2$
on heating?
Chemistry
GROUP 1 ELEMENTS
Which noble gas is most soluble in water ?
Chemistry
p -Block Elements
Which of the aldehyde is most reactive?
Chemistry
Chemical Reactions
Which of the carbonates given below is unstable in air and is kept in
$CO_2$
atmosphere to avoid decomposition ?
Chemistry
GROUP 1 ELEMENTS
Which method is not correctly given for refining of crude metals?
Chemistry
General Principles and Processes of Isolation of Elements
Which method is used for the purification of Bauxite ore ?
Chemistry
General Principles and Processes of Isolation of Elements
Which mineral nutrients are called critical element for crops?
Biology
Nutrition
Which molecule pair do not have identical structure
Chemistry
Hybridisation
Which metal has the highest melting point ?
Chemistry
d -and f -Block Elements
Which metal has the lowest melting point ?
Chemistry
d -and f -Block Elements
Which metal ion is a constituent of chlorophyll?
Biology
Photosynthesis in higher plants
Which method can be used for women that cannot produce ovum but can provide suitable environment?
Biology
Reproductive Health – Problems And Strategies
Which light range is least effective in photosynthesis?
Biology
Photosynthesis in higher plants
Which media is most commonly used in hydroponics?
Biology
Nutrition
Which member of the halogen family
$(X_2)$
does not show positive oxidation state
$(X^+_2 )$
?
Chemistry
p -Block Elements
Which is true about the difference between cortical and juxtamedullary nephrons?
Biology
excretory products and their elimination
Which isomer of
$C_5H_{12}$
give four isomers of monoiodopentane ?
Chemistry
Hydrocarbons
Prev
1
...
4807
4808
4809
4810
4811
...
5057
Next