Chemistry Quiz 25

How many isotopes have odd atomic number ?

Requirement of macronutrient per acre of the land is_________________?

The use of antifreeze in the automobile radiator is an important application of__________________?

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

The processes of effusion and diffusion are best understand by________________?

The molecules of CO2 in dry ice form__________________?

Hydrogenolysis results in the formation of________________?

Deuterium reacts with oxygen to form________________?

Pressure in gas discharge tube was kept________________?

Grignard reagent is reactive due to___________________?

How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

Size of filter paper is selected according to the amount of__________________?

When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

Which of the following compounds is not soluble in HNO3___?

Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

Animal fats are located particularly in__________________?

Which of the following oxides of iodine is used for quantitative analysis of CO ?

Which of the following is not considered as an intermolecular force between molecules ?

By combining n atmic orbitals no. of hybrid orbitals will be__________________?

The non-ideal behaviour results chiefly from________________?

In alkaline battery the anode is made up of______________________?

The word Alkali means__________________?

An atom loses or gains electrons to__________________?

Phosphene gas will be produced if phosphorous acid is subjected to___________________?

Solubility of any salt can be determined from_______________?

Reaction at anode is called________________?

Elements with similar chemical properties appear in the_________________?

K2 (Cu(CN)4) which one is correct___________________?

Polyethylene Glycols are used in the preparation of which type of detergents?

Which one of the following is an inorganic fertilizer ?

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________?

The radioactive isotope of hydrogen is called___________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

Electrolysis of dilute solution of NaCl results at the anode_______________?

The carbon atom of carbonyl group is__________________?

Ionic bond is produced after complete transfer of ________________ ?

Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

Which one of the following has polar covalent bond ?

For which mechanisms the first step involved is the same ?

moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

Allotropic form of phosphorus that is poisonous is___________________?

Catalyst used to speed up the reaction of ammonia synthesis is________________________?

Energy required to form transition state is called _________________?

Which discovery caused a revision in the periodic law as stated by Mendeleev ?

The strength of solution of an element whose electrode potential is to be measured is________________?

Co-enzymes are_________________?

Liquid crystal is discovered by __________________?

Pure metal__________________?

The ether used in Wurtz synthesis is__________________?

Phosphorus is a Greek word and it means_________________?

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

Sum of protons and neutrons in an atom gives off _________ ?

Which molecule has the highest bond energy among the halogens_________________?

Spontaneous reactions are_______________?

If we provide very high amount of heat to a liquid its boiling point will__________________?

Which ion will have maximum value of heat of hydration ?

Formalin is ___________ solution of formaldehyde in water?

The fertility of the soil is improved by________________?

Compounds having same molecular formula but differ in structural formula are called __________________?

Which of the following statements about isotopes is correct ?