Chemistry Sea water is saltier than rain water because The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Sodium Neon Nitrogen Hydrogen Sodium Neon Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 8.413 × 107 8.314 × 107 8.341 × 107 4.183 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Methyl alcohol Methane Ethyl formate Acetylene Methyl alcohol Methane Ethyl formate Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3200°C 2800°C 4000°C 3600°C 3200°C 2800°C 4000°C 3600°C ANSWER DOWNLOAD EXAMIANS APP
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