Chemistry Quiz 25

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

Animal fats are located particularly in__________________?

The radioactive isotope of hydrogen is called___________?

Requirement of macronutrient per acre of the land is_________________?

Which of the following compounds is not soluble in HNO3___?

The word Alkali means__________________?

Phosphorus is a Greek word and it means_________________?

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

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

Reaction at anode is called________________?

How many isotopes have odd atomic number ?

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

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

Elements with similar chemical properties appear in the_________________?

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

An atom loses or gains electrons to__________________?

Spontaneous reactions are_______________?

Energy required to form transition state is called _________________?

Allotropic form of phosphorus that is poisonous is___________________?

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

The ether used in Wurtz synthesis is__________________?

For which mechanisms the first step involved is the same ?

Solubility of any salt can be determined from_______________?

The processes of effusion and diffusion are best understand by________________?

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

The non-ideal behaviour results chiefly from________________?

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

Grignard reagent is reactive due to___________________?

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 ?

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

Co-enzymes are_________________?

The fertility of the soil is improved by________________?

Which ion will have maximum value of heat of hydration ?

Pressure in gas discharge tube was kept________________?

The molecules of CO2 in dry ice form__________________?

Which one of the following is an inorganic fertilizer ?

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 ?

In alkaline battery the anode is made up of______________________?

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

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

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

Deuterium reacts with oxygen to form________________?

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

Which of the following statements about isotopes is correct ?

The aliphatic monocarboxylic acids are obtained by the hydrolysis of________________?

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

Formalin is ___________ solution of formaldehyde in water?

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

The carbon atom of carbonyl group is__________________?

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

Electrolysis of dilute solution of NaCl results at the anode_______________?

Ionic bond is produced after complete transfer of ________________ ?

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

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

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

Pure metal__________________?

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

Liquid crystal is discovered by __________________?

Which molecule has the highest bond energy among the halogens_________________?

Hydrogenolysis results in the formation of________________?

Which one of the following has polar covalent bond ?