Chemistry Quiz 25

Allotropic form of phosphorus that is poisonous is___________________?

Co-enzymes are_________________?

Deuterium reacts with oxygen to form________________?

Which molecule has the highest bond energy among the halogens_________________?

How many isotopes have odd atomic number ?

Formalin is ___________ solution of formaldehyde in water?

Which one of the following has polar covalent bond ?

In alkaline battery the anode is made up of______________________?

Animal fats are located particularly in__________________?

Solubility of any salt can be determined from_______________?

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

Spontaneous reactions are_______________?

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 ether used in Wurtz synthesis is__________________?

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

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

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

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

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

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

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

For which mechanisms the first step involved is the same ?

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

Ionic bond is produced after complete transfer of ________________ ?

Grignard reagent is reactive due to___________________?

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

Electrolysis of dilute solution of NaCl results at the anode_______________?

Elements with similar chemical properties appear in the_________________?

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

Which of the following statements about isotopes is correct ?

Requirement of macronutrient per acre of the land is_________________?

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

The word Alkali means__________________?

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 ?

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

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

The carbon atom of carbonyl group is__________________?

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

Pressure in gas discharge tube was kept________________?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

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

The processes of effusion and diffusion are best understand by________________?

Phosphorus is a Greek word and it means_________________?

Which one of the following is an inorganic fertilizer ?

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

An atom loses or gains electrons to__________________?

Reaction at anode is called________________?

Hydrogenolysis results in the formation of________________?

The molecules of CO2 in dry ice form__________________?

Which of the following compounds is not soluble in HNO3___?

The non-ideal behaviour results chiefly from________________?

Energy required to form transition state is called _________________?

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

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

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

Pure metal__________________?

Which ion will have maximum value of heat of hydration ?

The radioactive isotope of hydrogen is called___________?

The fertility of the soil is improved by________________?

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