Question

Q16. A
pH
S. no
210/12
Vhich device is us
Pulse recorder
) Electrocardiogrs
J. Which one of
1) High sugar
b) High sus
1). The pri
Acid
H2S04
HCI
HNO3
HCl
1.
2.
3.
=7
<7
=7
=7
(a) Su
(b)
4.
Ro
Reason: It is because moon does not have atmosphere, there
17. Read the following and answer the following questions from 17 (i) to 17 (iv)
17(iv). Which species formed on heating NaHCO, is used to make bread and cakes fluffy, soft and spon
Study the table related to blood pressure and answer the questions that follows:
Salt
Base
Na2S04
NaOH
NH4Cl
NH4OH
KNO3
KOH
NaCl
'NaOH
17). pH of NH4Cl is
(a) less than 7
(b) more than 9 Sodium
17(ii). Nature of ammonium sulphate solution is:
(a) slightly basic
(b) neutral
17(iii).NaHCO3 gives brisk effervescence when reacts with
(a) HCI
(c) NH4OH
(d) K2CO3
(a) Na2CO3
(C) CO2
(b) H20
(d) H2CO3
218. Read the following and answer the following questions from 18 (i) to 18 (iv)
(C) more than 7
(d) between 7 to 13
(c) acidic
(d) highly basic
(b) NaOH .compounds
RANGE
SNO. SYSTOLIC PRESSURE
DIASTOLIC PRESSURE
1
LOW
90 mm Hg
60 mm Hg
2
6 mm
LOW
IT​

Answer 1

Answer:

(C) more than 7

(d) between 7 to 13

(c) acidic

(d) highly basic

(b) NaOH .compounds

RANGE

SNO. SYSTOLIC PRESSURE

DIASTOLIC PRESSURE