Chemistry A thick paste of cement, sand and water is called Concrete R.C.C. Mortar Kiln Concrete R.C.C. Mortar Kiln ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 12 gms 0.12 gms 1.2 gms 120 gms 12 gms 0.12 gms 1.2 gms 120 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Krypton Neon Argon Helium Krypton Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Democritus Robert Boyle Antoine Lavoisier John Dalton Democritus Robert Boyle Antoine Lavoisier ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Cannot be negative Can have any value above zero Can never be positive Will always be positive Cannot be negative Can have any value above zero Can never be positive Will always be positive ANSWER DOWNLOAD EXAMIANS APP
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