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All the following variables are used to describe gases except__________________?
A. pressure B. volume C. moles D. density Submitted by :- Jamil Ahmed
The nucleus of an atom of every element will always contain____________________?
A. neutrons B. protons and electrons C. protons D. protons and neutrons Submitted by :- Jamil Ahmed
Which of the following methods is used to estimate hydrogen in an organic compound ?
A. Combustion method B. Dumas method C. Kjeldahls method D. All of the above methods are for different purposes Submitted…
Isotopes differ in_________________?
A. properties which depend upon mass B. arrangement of electrons in orbitals C. chemical properties D. all of the above…
Qualitative analysis is carried out for _________________?
A. identification of elements B. estimation of amounts of elements C. molar ration of elements D. molar volume of elements…
Which of the following statements is wrong about isotopes ?
A. they possess different mass number B. they possess different physical properties C. they possess same chemical properties D. they…
Which of the following properties prove that cathode rays are material in nature_________________?
A. they cast shadow B. they possess momentum C. they are negatively charged D. all of the above Submitted by…
Paramagnetic behavior of substance is measured by a balance called___________________?
A. Analytical balance B. Guoys balance C. Electrical balance D. Single beam balance Submitted by :- Jamil Ahmed
Metallic crystals are soluble in________________?
A. Polar solvent B. Non polar solvent C. Fused metal D. None Submitted by :- Jamil Ahmed
Which of the following solids show anisotropy___________________?
A. Plastic B. Glass C. Rubber D. None of the above Submitted by :- Jamil Ahmed