Chemistry The metal used for making aircrafts and rockets is Copper Lead Aluminium Nickel Copper Lead Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry At room temperature, the metal that remains liquid is: Zinc Lead Mercury Platinum Zinc Lead Mercury Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Calcium None of these Manganese Magnesium Calcium None of these Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Carbon dioxide Chlorine Sodium chloride Alcohol Carbon dioxide Chlorine Sodium chloride Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission? China, USA, European Union, India USA, India, China, European Union European Union, China, USA, India China, India, European Union, USA China, USA, European Union, India USA, India, China, European Union European Union, China, USA, India China, India, European Union, USA ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Nitrous oxide Arsine Ammonia Sulphur dioxide Nitrous oxide Arsine Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP