Related Questions

Bromine content in sea water may be around __________ ppm.
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
শাকিলের প্রস্তুতকৃত দ্রবণের i. ppm একক হবে 40000 ppm ii. মধ্যে আরো 10 mL পানিযোগে সেমিমোেলারে পরিণত হবে iii. মধ্যে 6.02 × 1022 টি NaOH অণু রয়েছে নিচের কোনটি সঠিক?
Bromine is used in the preparation of
Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?
TLV of lead for public sewer/waste water is about __________ ppm.
Dissolved oxygen content in river water is around __________ ppm.
The permissible color for domestic water supply is __________ ppm.
Normal dosage of chlorine in public water supply scheme ranges from __________ ppm.
In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.