সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which of the following sulphur compound is used as a bleaching agent in textile industry?
Which of the following sulphur compound is used as a bleaching agent in textile industry?
- ক. sulphuric acid
- খ. hydrogen sulphide
- গ. carbon disulphide
- ঘ. sulphur dioxide
সঠিক উত্তরঃ sulphur dioxide
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Basic Information of Daily Science, Inventions and...