PRACTICAL CHEMISTRY
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PRACTICAL CHEMISTRY

37325 Conc. \(HN{O_3}\) is added before proceeding to test for group III members. This is to

1 Oxidise any remaining \({H_2}S\)
2 Convert ferrous ion into ferric ion
3 Form nitrates which give granular ppts
4 Increase ionisation of ammonium hydroxide
PRACTICAL CHEMISTRY

37326 A salt gives bright red colour to the flame. This colour indicates the presence of

1 \(B{a^{2 + }}\)
2 \(S{r^{2 + }}\)
3 \(C{a^{2 + }}\)
4 \(C{r^{3 + }}\)
PRACTICAL CHEMISTRY

37327 The compound insoluble in acetic acid is

1 Calcium oxide
2 Calcium carbonate
3 Calcium oxalate
4 Calcium hydroxide
PRACTICAL CHEMISTRY

37328 Which of the following give white precipitate when \(HCl\) is added to its aqueous solution

1 \(H{g^ + }\)
2 \(M{g^{ + + }}\)
3 \(Z{n^{ + + }}\)
4 \(C{d^{ + + }}\)
PRACTICAL CHEMISTRY

37325 Conc. \(HN{O_3}\) is added before proceeding to test for group III members. This is to

1 Oxidise any remaining \({H_2}S\)
2 Convert ferrous ion into ferric ion
3 Form nitrates which give granular ppts
4 Increase ionisation of ammonium hydroxide
PRACTICAL CHEMISTRY

37326 A salt gives bright red colour to the flame. This colour indicates the presence of

1 \(B{a^{2 + }}\)
2 \(S{r^{2 + }}\)
3 \(C{a^{2 + }}\)
4 \(C{r^{3 + }}\)
PRACTICAL CHEMISTRY

37327 The compound insoluble in acetic acid is

1 Calcium oxide
2 Calcium carbonate
3 Calcium oxalate
4 Calcium hydroxide
PRACTICAL CHEMISTRY

37328 Which of the following give white precipitate when \(HCl\) is added to its aqueous solution

1 \(H{g^ + }\)
2 \(M{g^{ + + }}\)
3 \(Z{n^{ + + }}\)
4 \(C{d^{ + + }}\)
PRACTICAL CHEMISTRY

37325 Conc. \(HN{O_3}\) is added before proceeding to test for group III members. This is to

1 Oxidise any remaining \({H_2}S\)
2 Convert ferrous ion into ferric ion
3 Form nitrates which give granular ppts
4 Increase ionisation of ammonium hydroxide
PRACTICAL CHEMISTRY

37326 A salt gives bright red colour to the flame. This colour indicates the presence of

1 \(B{a^{2 + }}\)
2 \(S{r^{2 + }}\)
3 \(C{a^{2 + }}\)
4 \(C{r^{3 + }}\)
PRACTICAL CHEMISTRY

37327 The compound insoluble in acetic acid is

1 Calcium oxide
2 Calcium carbonate
3 Calcium oxalate
4 Calcium hydroxide
PRACTICAL CHEMISTRY

37328 Which of the following give white precipitate when \(HCl\) is added to its aqueous solution

1 \(H{g^ + }\)
2 \(M{g^{ + + }}\)
3 \(Z{n^{ + + }}\)
4 \(C{d^{ + + }}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PRACTICAL CHEMISTRY

37325 Conc. \(HN{O_3}\) is added before proceeding to test for group III members. This is to

1 Oxidise any remaining \({H_2}S\)
2 Convert ferrous ion into ferric ion
3 Form nitrates which give granular ppts
4 Increase ionisation of ammonium hydroxide
PRACTICAL CHEMISTRY

37326 A salt gives bright red colour to the flame. This colour indicates the presence of

1 \(B{a^{2 + }}\)
2 \(S{r^{2 + }}\)
3 \(C{a^{2 + }}\)
4 \(C{r^{3 + }}\)
PRACTICAL CHEMISTRY

37327 The compound insoluble in acetic acid is

1 Calcium oxide
2 Calcium carbonate
3 Calcium oxalate
4 Calcium hydroxide
PRACTICAL CHEMISTRY

37328 Which of the following give white precipitate when \(HCl\) is added to its aqueous solution

1 \(H{g^ + }\)
2 \(M{g^{ + + }}\)
3 \(Z{n^{ + + }}\)
4 \(C{d^{ + + }}\)