# data[].attributes.body
1-1 & 2     3-Zn2+ (positive)
2-steel 4-Fe

# data[].attributes.body
1- 3 and 5
2- Fe
3- 2(+) 4(-)
4- Fe

# data[].attributes.body
1- 3 and 5
2- Fe
3- 2(+) 4(-)
4- Fe

# data[].attributes.body
1-1 and 2
2-steel
3- Zn2+
4-Fe

# data[].attributes.body
1-    3 and 5
2- Fe
3 positive (2) negative (4)
4- Fe
note: I changed my answers after solving with you

# data[].attributes.body
1. 3 and 5
2. Fe
3. positive/negative
4. Fe

# data[].attributes.body
1. 3 & 5
2. Fe
3. its positive in number 2 and negative in number 4
4. Fe

# data[].attributes.body
1. 3/5
2.Fe+2
3.positive
4.fe+2

# data[].attributes.body
1- 1 and 2
2- Zn
3- positive
4- Fe

# data[].attributes.body
1. 3 -5 (negative value of E)
2. Fe
3.   2 Zn +      4 Zn -
4. Fe

# data[].attributes.body
3 and 5
Fe
2positive
4negative
Fe

# data[].attributes.body
1) NO.3 and NO.5
2) Fe
3) NO.2 is positive, NO.4 is negative
4) Fe

# data[].attributes.body
1) 3 & 5
2) Fe
3)positive// negative
4) Fe

# data[].attributes.body
1) 3 and 5
2) Fe
3) +2
4)

# data[].attributes.body
1) 3, 5
2) Fe 2+
3) positive
4) Zn

# data[].attributes.body
1)3 and 5
2) Fe
3) positive
4)Zn

# data[].attributes.body
1) 3 and b
2) Fe 2+
3)+
4)zn