Chemistry Sea water is saltier than rain water because Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea beds have salt producing mines Sea animals are salt producing The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is the lightest gas It immediately combines with oxygen to form water It is absorbed by plants It is highly inflammable It is the lightest gas It immediately combines with oxygen to form water It is absorbed by plants It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Both A and B Pure substance Heterogeneous Homogeneous Both A and B Pure substance Heterogeneous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Helium Nitrogen Carbon dioxide Sulphur dioxide Helium Nitrogen Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Is decreased Remains same Is increased Will slowly increase and then it will decrease Is decreased Remains same Is increased Will slowly increase and then it will decrease ANSWER DOWNLOAD EXAMIANS APP
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