Chemistry Quiz 25

How many isotopes have odd atomic number ?

Which of the following compounds is not soluble in HNO3___?

In alkaline battery the anode is made up of______________________?

Elements with similar chemical properties appear in the_________________?

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 radioactive isotope of hydrogen is called___________?

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

Formalin is ___________ solution of formaldehyde in water?

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

Allotropic form of phosphorus that is poisonous is___________________?

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

The aliphatic monocarboxylic acids are obtained by the hydrolysis 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 ?

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

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

Which ion will have maximum value of heat of hydration ?

Electrolysis of dilute solution of NaCl results at the anode_______________?

Which molecule has the highest bond energy among the halogens_________________?

Solubility of any salt can be determined from_______________?

The non-ideal behaviour results chiefly from________________?

Deuterium reacts with oxygen to form________________?

The fertility of the soil is improved by________________?

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

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

The processes of effusion and diffusion are best understand by________________?

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

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

Which of the following statements about isotopes is correct ?

Reaction at anode is called________________?

Animal fats are located particularly in__________________?

The molecules of CO2 in dry ice form__________________?

Spontaneous reactions are_______________?

Hydrogenolysis results in the formation of________________?

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

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

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

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

Requirement of macronutrient per acre of the land is_________________?

Ionic bond is produced after complete transfer of ________________ ?

Which one of the following is an inorganic fertilizer ?

Pure metal__________________?

Energy required to form transition state is called _________________?

Phosphorus is a Greek word and it means_________________?

Grignard reagent is reactive due to___________________?

An atom loses or gains electrons to__________________?

The carbon atom of carbonyl group is__________________?

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

The word Alkali means__________________?

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

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

Liquid crystal is discovered by __________________?

Pressure in gas discharge tube was kept________________?

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

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

For which mechanisms the first step involved is the same ?

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

Which one of the following has polar covalent bond ?

Co-enzymes are_________________?

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

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