Chemistry Quiz 25

Co-enzymes are_________________?

How many isotopes have odd atomic number ?

Solubility of any salt can be determined from_______________?

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

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

Allotropic form of phosphorus that is poisonous is___________________?

Deuterium reacts with oxygen to form________________?

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

The non-ideal behaviour results chiefly from________________?

The carbon atom of carbonyl group is__________________?

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

Which molecule has the highest bond energy among the halogens_________________?

The fertility of the soil is improved by________________?

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 ?

Ionic bond is produced after complete transfer of ________________ ?

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

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

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

Liquid crystal is discovered by __________________?

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 ?

Pressure in gas discharge tube was kept________________?

An atom loses or gains electrons to__________________?

In alkaline battery the anode is made up of______________________?

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

Which one of the following has polar covalent bond ?

Which ion will have maximum value of heat of hydration ?

Grignard reagent is reactive due to___________________?

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

Which one of the following is an inorganic fertilizer ?

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

Electrolysis of dilute solution of NaCl results at the anode_______________?

The molecules of CO2 in dry ice form__________________?

Pure metal__________________?

The ether used in Wurtz synthesis is__________________?

Animal fats are located particularly in__________________?

Reaction at anode is called________________?

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

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

Requirement of macronutrient per acre of the land is_________________?

Spontaneous reactions are_______________?

The processes of effusion and diffusion are best understand by________________?

Phosphorus is a Greek word and it means_________________?

Which of the following statements about isotopes is correct ?

Which of the following compounds is not soluble in HNO3___?

The radioactive isotope of hydrogen is called___________?

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

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

For which mechanisms the first step involved is the same ?

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

Formalin is ___________ solution of formaldehyde in water?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

Energy required to form transition state is called _________________?

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

Elements with similar chemical properties appear in the_________________?

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

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

The word Alkali means__________________?

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

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

Hydrogenolysis results in the formation of________________?

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