The gas evolved when sodium carbonate reacts with hydrochloric acid is ________.
1). Hydrogen
2). Chlorine
3). Hydrogen Chloride
4). Carbon dioxide
1. आपके अध्यापन करते समय यदि कोई छात्र आपकी त्रुटियों की ओर संकेत करती है तो आप ?
2. Sound becomes hazardous noise pollution at level
3. Which of the following subjects does not fall under the Union List?
4. Find the coefficient of correlation if the two regression coefficients are 0.5 and 4.5.
5. What should come in place of question mark (?) in the following question? 87146 – 66425 – 15693 =?
6. According to 2011 census what was the density of Population of India?
8. EDVAC is
10. Where is the secretariat office of SAARC Development Fund (SDF) located?