Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 88 50 138 314 88 50 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyamide Polyester Polyethylene Polypropylene Polyamide Polyester Polyethylene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and pudding Plum and cake Cream and cake Cream and pudding Plum and pudding Plum and cake Cream and cake Cream and pudding ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : Air LPG Gasoline Distilled water Air LPG Gasoline Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Paired electrons Unpaired electrons Completely filled electronics subshells Completely vacant electronic subshells Paired electrons Unpaired electrons Completely filled electronics subshells Completely vacant electronic subshells ANSWER DOWNLOAD EXAMIANS APP
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