Question

3.5 gm of brass containing Cu and Zn reacts with HN * O_{3} solution of the following reactions take place Cu+HNO 3 Cu^ +2 +NO 2 (g)+H 2 O Zn+HNO 3 NH 4 ^ + +Zn^ +2 +H 2 O The liberated N*O_{2} was found to be 2.44 litre at 25 degrees * C and 1 atm. Which of the following is/are correct? (At. Wt. of Cu-63.6)​

Answer 1

Answer:

༄░S░ U░ M░ I░ T░࿐Project karya class 7 khand b pastureHow did farming and animal rearing start in the primitive age? Elaborate.Where do we use filtration method to separate things in our daily life? Explain with an example.सुखार्थी त्यजेत्- (A) सुखम् (C) धनम् (B) विद्याम (D) गृहम्'देवालयः' अस्मिन् पदे सन्धिः अस्ति-

(A) विसर्गसन्धिः

(C) दीर्घस्वरसन्धिः

(B) व्यञ्जनसन्धिः

(D) गुणस्वरसन्धिःवर्षे ऋतवः भवन्ति-

(A) सप्त

(C) पञ्च

(B) षड्

(D). अष्टके धनमिच्छन्ति?.सिक्खानां पञ्च बाह्यचिह्नानि कानि?सिक्खधर्मस्य दशम: गुरुः कः?Paste a map of the world. Trace the sea route from Europe to America followed by Columbus. Write a short note on his voyages. (journey by sea) 10yadi hamare gharon mein van aaspaas ke kshetra se khurana hataya jaaye to ganda ji pahle ki jisse bimari bhi theek hai legi machhar utpann ho gai jisse ghatak bimari hogi fail sakti haiयाद हमारे घर में वन आस के क्षेत्र से खुराना हटया जाए तो गंडा जी पहले की जिससे बीमार भी ठीक है लेगी माछर उत्पन्न हो गया जिससे घातक बीमारी होगी फेल शक्ति हैyadi hamare gharon mein van aaspaas ke kshetra se khurana hataya jaaye to ganda ji pahle ki jisse bimari bhi theek hai legi machhar utpann ho gai jisse ghatak bimari hogi fail sakti haiyadi hamare gharon mein van aaspaas ke kshetra se khurana hataya jaaye to ganda ji pahle ki jisse bimari bhi theek hai legi machhar utpann ho gai jisse ghatak bimari hogi fail sakti haijaaye to ganda ji pahle kibimari bhi theek hai legi