Chemistry Helium gas is filled in ballons because It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Insecticide Fertilizer Pesticide Disinfectant Insecticide Fertilizer Pesticide Disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/6 1/4 1/3 1/8 1/6 1/4 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Steel Gold Iron Aluminium Steel Gold Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Sodium Silver Aluminium Calcium Sodium Silver Aluminium Calcium ANSWER DOWNLOAD EXAMIANS APP
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